小學(xué)數(shù)字教學(xué)儀器目錄三角板等
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最后更新：2024-06-05
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產(chǎn)品詳細(xì)介紹<p>
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編號(hào)
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名稱
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技術(shù)規(guī)范及要求
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數(shù)學(xué)
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0
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通用（略）
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00
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視聽（略）
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01
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計(jì)算機(jī)（部分）
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<span> </span>
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01012
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計(jì)算器<span class="font6"><span> </span></span><span class="font5">簡(jiǎn)易型</span>
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1<span class="font10">．</span><span class="font8"><span> </span></span><span class="font10">具有不少于</span><span class="font8">27</span><span class="font10">種按鍵符號(hào)；<br />
</span><span class="font8">2</span><span class="font10">．</span><span class="font8"><span> </span></span><span class="font10">計(jì)算功能的操作順序應(yīng)與書寫順序基本一致；<br />
</span><span class="font8">3</span><span class="font10">．</span><span class="font8"><span> </span></span><span class="font10">除指示信號(hào)和科學(xué)計(jì)數(shù)之外的顯示字符應(yīng)不小于小四號(hào)字；<br />
</span><span class="font8">4</span><span class="font10">．</span><span class="font8"><span> </span></span><span class="font10">在停止按鍵</span><span class="font8">5min~10min</span><span class="font10">之間能自動(dòng)關(guān)機(jī)，關(guān)機(jī)后除存儲(chǔ)數(shù)據(jù)繼續(xù)保留外，其余存儲(chǔ)的信息與內(nèi)容應(yīng)全部自動(dòng)清除；<br />
</span><span class="font8">5</span><span class="font10">．</span><span class="font8"><span> </span></span><span class="font10">十進(jìn)制字長(zhǎng)不少于</span><span class="font8">10</span><span class="font10">位；<br />
</span><span class="font8">6</span><span class="font10">．</span><span class="font8"><span> </span></span><span class="font10">在進(jìn)行分?jǐn)?shù)運(yùn)算時(shí)分?jǐn)?shù)線應(yīng)顯示為橫線，橫線長(zhǎng)不小于字寬；<br />
</span><span class="font8">7</span><span class="font10">．</span><span class="font8"><span> </span></span><span class="font10">應(yīng)為雙行顯示，一行顯示計(jì)算式，一行顯示結(jié)果；<br />
8．應(yīng)具有修改算式功能；<br />
</span><span class="font8">9</span><span class="font10">．</span><span class="font8"><span> </span></span><span class="font10">存儲(chǔ)器應(yīng)不少于</span><span class="font8">6</span><span class="font10">個(gè)；<br />
</span><span class="font8">10</span><span class="font10">．</span><span class="font8"><span> </span></span><span class="font10">數(shù)字鍵的上表面積應(yīng)不小于</span><span class="font8">40mm</span><span class="font12">2</span><span class="font10">，功能符號(hào)鍵的上表面積應(yīng)不小于</span><span class="font8">24mm</span><span class="font12">2</span><span class="font10">；<br />
</span><span class="font8">11</span><span class="font10">．</span><span class="font8"><span> </span></span><span class="font10">在未按動(dòng)按鍵時(shí)，按鍵高出鍵盤表面的高度應(yīng)大于按鍵行程。</span><span class="font8"><br />
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02
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一般
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1
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測(cè)量
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<td class="et17" width="339">
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<td class="et15" height="17" width="67">
10
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長(zhǎng)度
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<td class="et17" width="339">
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<td class="et15" height="96" width="67">
10007
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軟尺
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1<span class="font5">．材料為軟塑料，用于中小學(xué)測(cè)量非直線長(zhǎng)度；</span><span class="font6"><br />
2</span><span class="font5">．長(zhǎng)度為</span><span class="font6">2000mm</span><span class="font5">，基本測(cè)量單位為厘米，分度值</span><span class="font6">1mm</span><span class="font5">；</span><span class="font6"><br />
3</span><span class="font5">．軟尺兩端用防銹處理后的金屬片封邊；</span><span class="font6"><br />
4</span><span class="font5">．軟尺表面印制的刻度線能長(zhǎng)久保持，測(cè)量精度準(zhǔn)確，不斷線等。</span><span class="font6"><br />
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10008
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卷尺
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1<span class="font5">．量程</span><span class="font6">20m</span><span class="font5">，分度值</span><span class="font6">1cm</span><span class="font5">，盒裝，紡布材料伸縮小，內(nèi)有</span><span class="font6">0.3mm</span><span class="font5">鋼絲，起點(diǎn)零刻度線；</span><span class="font6"><br />
2</span><span class="font5">．在尺帶或尺盒上應(yīng)標(biāo)明全長(zhǎng)、制造廠名（或商標(biāo)），數(shù)字和文字清晰、工整，有國(guó)家計(jì)量標(biāo)志。</span><span class="font6"><br />
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11
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質(zhì)量
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<td class="et15" height="492" width="67">
11006
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<td class="et21" width="165">
演示天平
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<td class="et14" width="339">
1<span class="font5">．托盤天平：</span><span class="font6"><span> </span></span><span class="font5">最大稱量</span><span class="font6">500g</span><span class="font5">，分度值</span><span class="font6">1g</span><span class="font5">，（</span><span class="font6">4</span><span class="font5">等砝碼、</span><span class="font6">9</span><span class="font5">級(jí)天平）砝碼包含：</span><span class="font6">10g</span><span class="font5">一個(gè)，</span><span class="font6">20g</span><span class="font5">兩個(gè)，</span><span class="font6">50g</span><span class="font5">一個(gè)，</span><span class="font6">100g</span><span class="font5">兩個(gè)，</span><span class="font6">200g</span><span class="font5">一個(gè)；</span><span class="font6"><br />
2</span><span class="font5">．構(gòu)造：由托盤、橫梁、平衡螺母、刻度尺、指針、刀口、底座、分度標(biāo)尺、游碼、砝碼、鑷子等組成；</span><span class="font6"><br />
3</span><span class="font5">．</span><span class="font6"><span> </span></span><span class="font5">砝碼組合的總質(zhì)量（包括標(biāo)尺計(jì)量值）應(yīng)不小于天平的最大秤量；</span><span class="font6"><br />
4</span><span class="font5">．</span><span class="font6"><span> </span></span><span class="font5">沖壓件及鑄件表面應(yīng)光潔平整，不應(yīng)有毛刺、鋒棱、裂紋和顯見(jiàn)砂眼；</span><span class="font6"><br />
5</span><span class="font5">．</span><span class="font6"><span> </span></span><span class="font5">電鍍件的鍍層應(yīng)色澤均勻，不應(yīng)有露底和顯見(jiàn)的麻點(diǎn)、水跡、擦傷等缺陷；</span><span class="font6"><br />
6</span><span class="font5">．</span><span class="font6"><span> </span></span><span class="font5">油漆件表面應(yīng)平整光滑，色澤均勻，不應(yīng)有露底、起泡、掛漆、擦傷等缺陷；</span><span class="font6"><br />
7</span><span class="font5">．</span><span class="font6"><span> </span></span><span class="font5">游碼尺刻線、指示盤刻線應(yīng)清晰、均勻；</span><span class="font6"><br />
8</span><span class="font5">．</span><span class="font6"><span> </span></span><span class="font5">游碼尺不應(yīng)有彎曲變形，指示值不應(yīng)有翹曲及傾斜，指針不能有彎曲或斷殘；</span><span class="font6"><br />
9</span><span class="font5">．</span><span class="font6"><span> </span></span><span class="font5">天平的兩個(gè)托盤應(yīng)干凈、完整；</span><span class="font6"><br />
10</span><span class="font5">．天平支架不應(yīng)有彎曲變形，其它部分不能有影響功能外觀缺陷；</span><span class="font6"><br />
11</span><span class="font5">．游碼沿游碼尺身移動(dòng)順暢，不應(yīng)有卡住或過(guò)于松動(dòng)現(xiàn)象；</span><span class="font6"><br />
12</span><span class="font5">．微調(diào)旋鈕能順暢進(jìn)退，并能對(duì)天平左右兩盤平衡起到調(diào)節(jié)作用；</span><span class="font6"><br />
13</span><span class="font5">．天平支架左右擺動(dòng)靈活；</span><span class="font6"><br />
14</span><span class="font5">．偏載準(zhǔn)確度要求：示值誤差應(yīng)界于</span><span class="font6">±d</span><span class="font5">之間（</span><span class="font6">d</span><span class="font5">為最小分度值）。校驗(yàn)方法：調(diào)整架盤天平平衡后，在天平右盤中央放置一個(gè)</span><span class="font6">100g</span><span class="font5">標(biāo)準(zhǔn)砝碼，在天平左盤放一個(gè)</span><span class="font6">100g</span><span class="font5">標(biāo)準(zhǔn)砝碼于不同的四個(gè)偏心位置，若天平能重新平衡，觀察游碼的位置，游碼所示量值偏載誤差值；若游碼處于零刻度線位置，天平仍不能重新平衡，觀察指針偏移指示盤的位置，指針偏移所指示的量值為偏載誤差值。</span><span class="font6"><br />
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<td class="et15" height="223" width="67">
11007
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<td class="et12" width="165">
簡(jiǎn)易天平
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<td class="et14" width="339">
1<span class="font5">．</span><span class="font6"><span> </span></span><span class="font5">量程</span><span class="font6">200g</span><span class="font5">，分度值：</span><span class="font6">1g</span><span class="font5">；<br />
</span><span class="font6">2</span><span class="font5">．</span><span class="font6"><span> </span></span><span class="font5">產(chǎn)品由底座、橫梁、托盤、游碼、槽碼等組成；底座、橫梁、托盤均采用工程塑料制作，底座外形尺寸約</span><span class="font6">108mm×86mm×80mm</span><span class="font5">，橫梁長(zhǎng)約</span><span class="font6">265mm</span><span class="font5">，托盤尺寸</span><span class="font6">77mm×60mm</span><span class="font5">；<br />
</span><span class="font6">3</span><span class="font5">．</span><span class="font6"><span> </span></span><span class="font5">游碼及槽碼采用金屬材料制作，槽碼包括：</span><span class="font6">20g</span><span class="font5">槽碼</span><span class="font6">8</span><span class="font5">個(gè)，</span><span class="font6">10g</span><span class="font5">槽碼</span><span class="font6">4</span><span class="font5">個(gè)；<br />
</span><span class="font6">4</span><span class="font5">．靈敏度：空盤時(shí)向左或右盤加載</span><span class="font6">1.5g</span><span class="font5">，杠桿明顯偏斜；全載時(shí)向左或右盤加載</span><span class="font6">10g</span><span class="font5">、扛桿明顯偏斜；<br />
</span><span class="font6">5</span><span class="font5">．片碼為鋼制，數(shù)量不少于</span><span class="font6">10</span><span class="font5">枚，表面鍍鉻，標(biāo)稱質(zhì)量允差≤</span><span class="font6">±0.5g</span><span class="font5">或每片的最大質(zhì)量減最小質(zhì)量允差≤</span><span class="font6">0.5g</span><span class="font5">；<br />
</span><span class="font6">6</span><span class="font5">．簡(jiǎn)易天平組裝后應(yīng)有足夠的穩(wěn)度并便于調(diào)整、安放和實(shí)驗(yàn)操作。</span><span class="font6"><br />
</span>
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<td class="et15" height="80" width="67">
11019
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<td class="et21" width="165">
彈簧度盤秤
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<td class="et17" width="339">
1<span class="font5">．范圍：</span><span class="font6">1kg/5g</span><span class="font5">；</span><span class="font6"><br />
2</span><span class="font5">．材質(zhì)：</span><span class="font6">PP</span><span class="font5">；</span><span class="font6"><br />
3</span><span class="font5">．尺寸：長(zhǎng)寬高約</span><span class="font6">15×15×21</span><span class="font5">厘米；</span><span class="font6"><br />
4</span><span class="font5">．指針式，零點(diǎn)可調(diào)。</span><span class="font6"><br />
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<td class="et15" height="30" width="67">
11023
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<td class="et21" width="165">
彈簧秤
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<td class="et23" width="339">
材質(zhì)：金屬，圓形， 測(cè)量范圍：2.5kgf， 最小分度值約50gf。
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<td class="et15" height="17" width="67">
12
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<td class="et16" width="165">
時(shí)間
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<td class="et17" width="339">
</td>
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<tr>
<td class="et15" height="222" width="67">
12003
</td>
<td class="et21" width="165">
電子停表
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<td class="et20" width="339">
1<span class="font10">．教學(xué)用電子秒表，采用電子芯片，電池電壓為</span><span class="font8">1</span><span class="font10">．</span><span class="font8">5V</span><span class="font10">；數(shù)據(jù)可精確到</span><span class="font8">0.01s</span><span class="font10">；</span><span class="font8"><span> </span></span><span class="font10">以扣式電池為能源的液晶數(shù)字式金屬殼石英秒表；</span><span class="font8"><br />
2</span><span class="font10">．具有秒表（最小讀數(shù)</span><span class="font8">1/100</span><span class="font10">秒）、</span><span class="font8">10</span><span class="font10">段存儲(chǔ)顯示、定時(shí)器、節(jié)拍器、時(shí)鐘和定時(shí)鬧響功能；</span><span class="font8"><br />
3</span><span class="font10">．秒表具有每小時(shí)報(bào)時(shí)，每日定時(shí)響鬧及自動(dòng)重響功能，應(yīng)可顯示時(shí)間，</span><span class="font8">12</span><span class="font10">及</span><span class="font8">24</span><span class="font10">小時(shí)制式，日歷、星期、防水，防震結(jié)構(gòu)等功能；</span><span class="font8"><br />
4</span><span class="font10">．外包裝應(yīng)采用防潮、防塵的硬紙盒包裝；機(jī)芯在表殼組件中應(yīng)穩(wěn)固，液晶屏顯示清晰、表面無(wú)傷、印字清楚正確、表殼與表后蓋的配合應(yīng)緊密，不得有明顯的縫隙；表殼外棱角無(wú)鋒利感；鍍層配件無(wú)氣泡，不脫落；</span><span class="font8"><br />
5</span><span class="font10">．應(yīng)符合</span><span class="font8"><span> </span>QB/T<span> </span>1908-93</span><span class="font10">《電子停表》中規(guī)定的技術(shù)要求。</span><span class="font8"><br />
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<td class="et15" height="17" width="67">
2
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<td class="et16" width="165">
專用儀器
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<td class="et17" width="339">
</td>
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<tr>
<td class="et15" height="17" width="67">
20
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<td class="et16" width="165">
數(shù)學(xué)
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<td class="et17" width="339">
</td>
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<tr>
<td class="et15" height="223" width="67">
20001
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<td class="et21" width="165">
三角板
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<td class="et20" width="339">
1<span class="font10">．演示用</span><span class="font8">60°</span><span class="font10">、</span><span class="font8">45°</span><span class="font10">各</span><span class="font8">1</span><span class="font10">塊；</span><span class="font8"><br />
2</span><span class="font10">．</span><span class="font8">ABS</span><span class="font10">工程塑料制作（或木質(zhì)），尺身帶把手；</span><span class="font8"><br />
3</span><span class="font10">．等腰直角三角形，其斜邊長(zhǎng)為</span><span class="font8">580mm</span><span class="font10">，兩底角為</span><span class="font8">45</span><span class="font10">度；</span><span class="font8"><br />
4</span><span class="font10">．直角三角形的長(zhǎng)直角邊為</span><span class="font8">580mm</span><span class="font10">，但與斜邊的夾角為</span><span class="font8">30</span><span class="font10">度，另一底角為</span><span class="font8">60</span><span class="font10">度，所有角度誤差不超過(guò)</span><span class="font8">±2</span><span class="font10">度；</span><span class="font8"><br />
5</span><span class="font10">．三角板邊寬不小于</span><span class="font8">40mm</span><span class="font10">，厚不小于</span><span class="font8">5mm</span><span class="font10">，除在等腰直角三角板的斜邊上和直角三角板的長(zhǎng)直角邊上印有刻線數(shù)碼外，其斜邊上也印有刻線，有效示值全長(zhǎng)為</span><span class="font8">60cm</span><span class="font10">，最小刻為</span><span class="font8">0.5cm</span><span class="font10">，每</span><span class="font8">1cm</span><span class="font10">的刻度線上標(biāo)有刻度數(shù)碼；</span><span class="font8"><br />
6</span><span class="font10">．三角板平面度誤差不超過(guò)</span><span class="font8">1mm</span><span class="font10">，各邊的直線度誤差不超過(guò)</span><span class="font8">1mm</span><span class="font10">；</span><span class="font8"><br />
7</span><span class="font10">．三角板的刻度線應(yīng)垂直達(dá)到尺邊，刻線和數(shù)碼應(yīng)清晰、正確，不得有重線、斷線、缺字。</span><span class="font8"><br />
</span>
</td>
</tr>
<tr>
<td class="et15" height="224" width="67">
20502
</td>
<td class="et21" width="165">
圓規(guī)
</td>
<td class="et14" width="339">
1<span class="font5">．演示用，由圓規(guī)腳、粉筆夾、三爪式圓心定位器和緊固螺栓等組成；</span><span class="font6"><br />
2</span><span class="font5">．圓規(guī)腳用塑料制作，表面平整、挺直、無(wú)毛刺；木材質(zhì)無(wú)裂紋、無(wú)傷疤</span><span class="font6"><span> </span></span><span class="font5">；</span><span class="font6"><br />
3</span><span class="font5">．表面涂淺黃色漆，漆層平整光潔、色調(diào)美觀、厚薄均勻、有足夠的附著力，在主要表面上沒(méi)有流掛、針孔、起泡等缺陷；</span><span class="font6"><br />
4</span><span class="font5">．粉筆夾夾持粉筆方便，使用時(shí)粉筆不脫落；</span><span class="font6"><br />
5</span><span class="font5">．三爪式吸盤圓心定位器橡皮腳便于定位，可準(zhǔn)確確定圓心，不打滑，畫圓時(shí)不移動(dòng)，不損傷黑板表面；</span><span class="font6"><br />
6</span><span class="font5">．緊固螺栓調(diào)節(jié)方便，止緊可靠；</span><span class="font6"><br />
7</span><span class="font5">．張角范圍</span><span class="font6">0°~70°</span><span class="font5">，可作直徑</span><span class="font6">40m~900mm</span><span class="font5">的圓；</span><span class="font6"><br />
8</span><span class="font5">．圓規(guī)腳長(zhǎng)</span><span class="font6">400mm</span><span class="font5">，一支端點(diǎn)附粉筆夾，另一支配圓心定位器（橡皮腳）。</span><span class="font6"><br />
</span>
</td>
</tr>
<tr>
<td class="et15" height="112" width="67">
20004
</td>
<td class="et21" width="165">
量角器
</td>
<td class="et20" width="339">
1<span class="font10">．用</span><span class="font8">ABS</span><span class="font10">工程塑料（或木質(zhì)）制作，圓弧標(biāo)有以度為單位的角度刻度，直邊有以</span><span class="font8">cm</span><span class="font10">為單位的長(zhǎng)度刻度；</span><span class="font8"><br />
2</span><span class="font10">．外形尺寸：</span><span class="font8">450mm ~600mm</span><span class="font10">，產(chǎn)品帶把手；</span><span class="font8"><br />
3</span><span class="font10">．刻線和數(shù)字排列整齊端正，刻線粗細(xì)均勻，線寬為</span><span class="font8">1mm</span><span class="font10">；</span><span class="font8"><br />
4</span><span class="font10">．角度誤差不超過(guò)</span><span class="font8">1°</span><span class="font10">，長(zhǎng)度誤差不超過(guò)</span><span class="font8">2mm</span><span class="font10">，平面度誤差不超過(guò)</span><span class="font8">2mm</span><span class="font10">。</span><span class="font8"><br />
</span>
</td>
</tr>
<tr>
<td class="et15" height="220" width="67">
20501
</td>
<td class="et21" width="165">
專用直尺
</td>
<td class="et14" width="339">
1<span class="font5">．量程</span><span class="font6">1m</span><span class="font5">，</span><span class="font6">m</span><span class="font5">、</span><span class="font6">dm</span><span class="font5">、</span><span class="font6">cm</span><span class="font5">、</span><span class="font6">mm</span><span class="font5">四種單位，起點(diǎn)零刻度線；<br />
</span><span class="font6">2</span><span class="font5">．木質(zhì)或亞克力材質(zhì)，厚度</span><span class="font6">5mm</span><span class="font5">寬度</span><span class="font6">30mm</span><span class="font5">，刻度清晰，不容易磨損；<br />
</span><span class="font6">3</span><span class="font5">．</span><span class="font6"><span> </span></span><span class="font5">刻線和數(shù)字排列整齊端正；刻線粗細(xì)應(yīng)一致，厘米刻線線寬為</span><span class="font6">1.5</span><span class="font5">mm，線長(zhǎng)為</span><span class="font6">15</span><span class="font5">mm；每</span><span class="font6">5</span><span class="font5">cm的刻線為</span><span class="font6">20</span><span class="font5">mm；尺面上線或數(shù)字允許有不明顯的局部微糊或缺斷，但全尺不多于二處；<br />
</span><span class="font6">4</span><span class="font5">．選用無(wú)節(jié)疤、無(wú)裂紋并經(jīng)脫脂干燥處理的木材制造，尺面漆層均勻、整潔，表面無(wú)傷痕，據(jù)斷面無(wú)毛刺，邊角倒鈍；卡腳移動(dòng)無(wú)卡死或脫落現(xiàn)象；<br />
</span><span class="font6">5</span><span class="font5">．</span><span class="font6"><span> </span></span><span class="font5">刻度誤差為每</span><span class="font6">100</span><span class="font5">mm內(nèi)的累計(jì)數(shù)差不超過(guò)</span><span class="font6">1</span><span class="font5">mm，全長(zhǎng)累計(jì)誤差不超過(guò)</span><span class="font6">2</span><span class="font5">mm；<br />
</span><span class="font6">6</span><span class="font5">．尺的表面應(yīng)平整挺直，平面度不大于</span><span class="font6">3</span><span class="font5">毫米，尺邊直線度不大于</span><span class="font6">2</span><span class="font5">mm。</span><span class="font6"><br />
</span>
</td>
</tr>
<tr>
<td class="et15" height="64" width="67">
20505
</td>
<td class="et21" width="165">
標(biāo)桿
</td>
<td class="et17" width="339">
1.6m<span class="font5">，頭部為長(zhǎng)</span><span class="font6">100mm</span><span class="font5">鐵錐頭，長(zhǎng)度不小于</span><span class="font6">100mm</span><span class="font5">，木質(zhì)部分有長(zhǎng)</span><span class="font6">160mm</span><span class="font5">的紅白相間的色環(huán)構(gòu)成，直徑不小于</span><span class="font6">30mm</span><span class="font5">，表面光滑無(wú)毛刺、無(wú)凹陷。</span><span class="font6"><br />
</span>
</td>
</tr>
<tr>
<td class="et15" height="32" width="67">
20506
</td>
<td class="et21" width="165">
測(cè)繩
</td>
<td class="et17" width="339">
50m<span class="font5">；內(nèi)部有不少于</span><span class="font6">4</span><span class="font5">根直徑</span><span class="font6">0.3mm</span><span class="font5">鋼絲，外部為雙層棉線紡織而成；總直徑不小于</span><span class="font6">3</span><span class="font5">.</span><span class="font6">5mm</span><span class="font5">，兩端有拉環(huán)。</span>
</td>
</tr>
<tr>
<td class="et15" height="31" width="67">
20507
</td>
<td class="et21" width="165">
塑料球
</td>
<td class="et23" width="339">
三種顏色，外徑不小于<span class="font6">15mm</span><span class="font5">，配</span><span class="font6">150mm×200mm</span><span class="font5">不透明可縮口布袋。</span>
</td>
</tr>
<tr>
<td class="et15" height="31" width="67">
20508
</td>
<td class="et21" width="165">
塑料小球
</td>
<td class="et23" width="339">
五種顏色，外徑不小于<span class="font6">5mm</span><span class="font5">，配</span><span class="font6">150mm×200mm</span><span class="font5">不透明可縮口布袋。</span>
</td>
</tr>
<tr>
<td class="et15" height="45" width="67">
20509
</td>
<td class="et21" width="165">
計(jì)數(shù)片
</td>
<td class="et23" width="339">
圓形不小于Φ25mm，正方形 不小于25mm×25mm，正三角形邊長(zhǎng)不小于25mm，<span> </span>各片厚不小于2mm，材質(zhì)為PVC。<br />
</td>
</tr>
<tr>
<td class="et15" height="240" width="67">
20510
</td>
<td class="et12" width="165">
豎式計(jì)數(shù)器
</td>
<td class="et14" width="339">
1<span class="font5">．演示用，三檔；規(guī)格為：個(gè)、十、百三檔；</span><span class="font6"><br />
2</span><span class="font5">．算珠為菱珠式，算珠膠合牢固，在正常運(yùn)輸和使用時(shí)不得開裂；</span><span class="font6"><br />
3</span><span class="font5">．計(jì)數(shù)器能垂直放置在水平的桌面上，算珠與擋板反差明顯；</span><span class="font6"><br />
4</span><span class="font5">．算珠桿應(yīng)有足夠的強(qiáng)度，外表平整光滑，排列均勻，定位牢固。豎式計(jì)數(shù)器的算珠桿應(yīng)承受</span><span class="font6">5N</span><span class="font5">以上的拉力；</span><span class="font6"><br />
5</span><span class="font5">．算珠在算珠桿上排列整齊，移動(dòng)方便，撥動(dòng)靈活；</span><span class="font6"><br />
6</span><span class="font5">．計(jì)數(shù)器應(yīng)結(jié)構(gòu)牢固，表面平整，觀察部位突出鮮明，檔板高（寬）度應(yīng)能遮檔全部算珠；</span><span class="font6"><br />
7</span><span class="font5">．演示計(jì)數(shù)器兩桿間距不小于</span><span class="font6">45mm</span><span class="font5">，算珠桿直徑為</span><span class="font6">4mm</span><span class="font5">；</span><span class="font6"><br />
8</span><span class="font5">．木制件應(yīng)選用無(wú)節(jié)疤并經(jīng)脫脂干燥處理的木材，含水量應(yīng)符合</span><span class="font6">JY0001</span><span class="font5">第</span><span class="font6">5.22</span><span class="font5">條要求，塑料件應(yīng)符合</span><span class="font6">JY0001</span><span class="font5">第</span><span class="font6">5.21</span><span class="font5">條要求；</span><span class="font6"><br />
9</span><span class="font5">．金屬件表面防銹處理，防銹層牢固；木制件外表涂漆，漆層光滑均勻；塑料件表面平整清潔。</span><span class="font6"><br />
</span>
</td>
</tr>
<tr>
<td class="et15" height="240" width="67">
20511
</td>
<td class="et12" width="165">
豎式計(jì)數(shù)器
</td>
<td class="et14" width="339">
1<span class="font5">．演示用，五檔；規(guī)格為：個(gè)、十、百、千、萬(wàn)五檔；</span><span class="font6"><br />
2</span><span class="font5">．算珠為菱珠式，算珠膠合牢固，在正常運(yùn)輸和使用時(shí)不得開裂；</span><span class="font6"><br />
3</span><span class="font5">．計(jì)數(shù)器能垂直放置在水平的桌面上，算珠與擋板反差明顯；</span><span class="font6"><br />
4</span><span class="font5">．算珠桿應(yīng)有足夠的強(qiáng)度，外表平整光滑，排列均勻，定位牢固。豎式計(jì)數(shù)器的算珠桿應(yīng)承受</span><span class="font6">5N</span><span class="font5">以上的拉力；</span><span class="font6"><br />
5</span><span class="font5">．算珠在算珠桿上排列整齊，移動(dòng)方便，撥動(dòng)靈活；</span><span class="font6"><br />
6</span><span class="font5">．計(jì)數(shù)器應(yīng)結(jié)構(gòu)牢固，表面平整，觀察部位突出鮮明，檔板高（寬）度應(yīng)能遮檔全部算珠；</span><span class="font6"><br />
7</span><span class="font5">．演示計(jì)數(shù)器兩桿間距不小于</span><span class="font6">45mm</span><span class="font5">，算珠桿直徑為</span><span class="font6">4mm</span><span class="font5">；</span><span class="font6"><br />
8</span><span class="font5">．木制件應(yīng)選用無(wú)節(jié)疤并經(jīng)脫脂干燥處理的木材，含水量應(yīng)符合</span><span class="font6">JY0001</span><span class="font5">第</span><span class="font6">5.22</span><span class="font5">條要求，塑料件應(yīng)符合</span><span class="font6">JY0001</span><span class="font5">第</span><span class="font6">5.21</span><span class="font5">條要求；</span><span class="font6"><br />
9</span><span class="font5">．金屬件表面防銹處理，防銹層牢固；木制件外表涂漆，漆層光滑均勻；塑料件表面平整清潔。</span><span class="font6"><br />
</span>
</td>
</tr>
<tr>
<td class="et15" height="240" width="67">
20512
</td>
<td class="et12" width="165">
豎式計(jì)數(shù)器
</td>
<td class="et14" width="339">
1<span class="font5">．</span><span class="font6"><span> </span></span><span class="font5">學(xué)生用五檔，規(guī)格為：個(gè)、十、百、千、萬(wàn)五檔；</span><span class="font6"><br />
2</span><span class="font5">．算珠為菱珠式，算珠膠合牢固，在正常運(yùn)輸和使用時(shí)不得開裂；</span><span class="font6"><br />
3</span><span class="font5">．計(jì)數(shù)器能垂直放置在水平的桌面上，算珠與擋板反差明顯；</span><span class="font6"><br />
4</span><span class="font5">．算珠桿應(yīng)有足夠的強(qiáng)度，外表平整光滑，排列均勻，定位牢固。豎式計(jì)數(shù)器的算珠桿應(yīng)承受</span><span class="font6">5N</span><span class="font5">以上的拉力；</span><span class="font6"><br />
5</span><span class="font5">．算珠在算珠桿上排列整齊，移動(dòng)方便，撥動(dòng)靈活；</span><span class="font6"><br />
6</span><span class="font5">．計(jì)數(shù)器應(yīng)結(jié)構(gòu)牢固，表面平整，觀察部位突出鮮明，檔板高（寬）度應(yīng)能遮檔全部算珠；</span><span class="font6"><br />
7</span><span class="font5">．學(xué)生計(jì)數(shù)器兩桿間距不小于</span><span class="font6">30mm</span><span class="font5">，算珠桿直徑為</span><span class="font6">2.5mm</span><span class="font5">；</span><span class="font6"><br />
8</span><span class="font5">．木制件應(yīng)選用無(wú)節(jié)疤并經(jīng)脫脂干燥處理的木材，含水量應(yīng)符合</span><span class="font6">JY0001</span><span class="font5">第</span><span class="font6">5.22</span><span class="font5">條要求，塑料件應(yīng)符合</span><span class="font6">JY0001</span><span class="font5">第</span><span class="font6">5.21</span><span class="font5">條要求；</span><span class="font6"><br />
9</span><span class="font5">．金屬件表面防銹處理，防銹層牢固；木制件外表涂漆，漆層光滑均勻；塑料件表面平整清潔。</span><span class="font6"><br />
</span>
</td>
</tr>
<tr>
<td class="et15" height="283" width="67">
20513
</td>
<td class="et12" width="165">
演示算盤
</td>
<td class="et14" width="339">
1.<span> </span><span class="font5">算盤的位數(shù)不少于</span><span class="font6">13</span><span class="font5">位；</span><span class="font6"><br />
2.<span> </span></span><span class="font5">算盤以算珠在中梁上下顆數(shù)分布為上二下五；</span><span class="font6"><br />
3.<span> </span></span><span class="font5">框架要平整光潔，豎框與橫框、中梁應(yīng)垂直，不得有明顯的變形和松動(dòng)。木結(jié)構(gòu)要牢固不開膠，有金屬包角，漆層光滑均勻；塑料框架無(wú)明顯氣泡、雜色和凹凸不平；金屬結(jié)構(gòu)配合間隙不大于</span><span class="font6">0.3mm</span><span class="font5">。木框架應(yīng)選用無(wú)裂痕、無(wú)疤節(jié)、并經(jīng)脫脂干燥處理的木材，含水率不超過(guò)</span><span class="font6">JY 0001</span><span class="font5">第</span><span class="font6">5.22</span><span class="font5">條的要求；</span><span class="font6"><br />
4.<span> </span></span><span class="font5">算珠的顏色應(yīng)一至，并與框架位桿的顏色反差明顯，配色美觀。</span><span class="font6"><span> </span></span><span class="font5">算珠不得因正常使用和運(yùn)輸而脫落和開裂。算珠在位桿上應(yīng)安裝端正，松緊適度，撥動(dòng)靈活，可任意定位，定位后不移動(dòng)。使用壽命不少于</span><span class="font6">75000</span><span class="font5">次；</span><span class="font6"><br />
5.<span> </span></span><span class="font5">檔位桿可測(cè)部分全長(zhǎng)不少于</span><span class="font6">200mm</span><span class="font5">，兩桿中心距不小于</span><span class="font6">42mm</span><span class="font5">。檔位桿應(yīng)粗細(xì)均勻，光滑平直。竹桿應(yīng)無(wú)明顯傷痕、無(wú)蛀蝕、無(wú)竹節(jié)；金屬桿表面光潔、無(wú)銹蝕；塑料桿應(yīng)有足夠的強(qiáng)度；</span><span class="font6"><br />
6.<span> </span></span><span class="font5">塑料算盤應(yīng)能適應(yīng)氣溫在</span><span class="font6">40</span><span class="font5">℃，相對(duì)濕度為</span><span class="font6">95%</span><span class="font5">的環(huán)境條件下貯存，不得有明顯變形和開裂。</span><span class="font6"><br />
</span>
</td>
</tr>
<tr>
<td class="et15" height="61" width="67">
20514
</td>
<td class="et21" width="165">
計(jì)數(shù)棒
</td>
<td class="et23" width="339">
演示用，每<span class="font6">10</span><span class="font5">根一捆，</span><span class="font6">10</span><span class="font5">捆，長(zhǎng)度不小于</span><span class="font6">100mm</span><span class="font5">圓柱體形小棒，塑料表面要求圓滑，顏色鮮艷，無(wú)毛刺、氣泡、傷痕等缺陷；符合環(huán)保要求無(wú)異味，無(wú)毒。<br />
</span>
</td>
</tr>
<tr>
<td class="et15" height="61" width="67">
20515
</td>
<td class="et21" width="165">
計(jì)數(shù)棍
</td>
<td class="et23" width="339">
學(xué)生用，長(zhǎng)不小于<span class="font6">100mm</span><span class="font5">，外徑不小于</span><span class="font6">1</span><span class="font5">．</span><span class="font6">2mm</span><span class="font5">；塑料表面要求圓滑，顏色鮮艷，無(wú)毛刺、氣泡、傷痕等缺陷；符合環(huán)保要求無(wú)異味，無(wú)毒。<br />
</span>
</td>
</tr>
<tr>
<td class="et15" height="95" width="67">
20516
</td>
<td class="et12" width="165">
釘板
</td>
<td class="et17" width="339">
1<span class="font5">．由釘板、橡皮圈等組成，長(zhǎng)</span><span class="font6">×</span><span class="font5">寬為</span><span class="font6">590mm×390mm</span><span class="font5">；</span><span class="font6"><br />
2</span><span class="font5">．板面有等分方格每相鄰方格涂不同色，在各方格的交點(diǎn)處嵌有小釘，板的背面無(wú)釘頭露出；釘子無(wú)明顯的偏位、歪斜；釘子掛上橡皮圈后，無(wú)松動(dòng)、歪斜，橡皮圈無(wú)明顯接頭；</span><span class="font6"><br />
3</span><span class="font5">．方格線清晰、整齊、粗細(xì)一致。</span><span class="font6"><br />
</span>
</td>
</tr>
<tr>
<td class="et15" height="31" width="67">
20517
</td>
<td class="et12" width="165">
釘板
</td>
<td class="et23" width="339">
規(guī)格：<span class="font6">200mm×200mm</span><span class="font5">；透明ABS防腐材質(zhì)，四根橡皮</span><span class="font6"><span> </span></span><span class="font5">隨意組合圖形。</span>
</td>
</tr>
<tr>
<td class="et15" height="63" width="67">
20518
</td>
<td class="et12" width="165">
釘板
</td>
<td class="et23" width="339">
學(xué)生用，不小于<span class="font6">140mm×140mm</span><span class="font5">；一側(cè)釘距為</span><span class="font6">20mm</span><span class="font5">正方形分布，一側(cè)為直徑不小于</span><span class="font6">120mm</span><span class="font5">的圓形分布；釘直徑約</span><span class="font6">3mm</span><span class="font5">，高度為約</span><span class="font6">6mm</span><span class="font5">。<br />
</span>
</td>
</tr>
<tr>
<td class="et24" height="112">
20519
</td>
<td class="et25" width="165">
大型積木
</td>
<td class="et17" width="339">
1<span class="font5">．大型積木中任一塊的任一邊長(zhǎng)（或直徑）尺寸不得大于</span><span class="font6">800mm<span> </span></span><span class="font5">；</span><span class="font6"><br />
2</span><span class="font5">．大型積木每塊的質(zhì)量不大于</span><span class="font6">4kg</span><span class="font5">；</span><span class="font6"><span> </span><br />
3</span><span class="font5">．大型積木承截量不小于</span><span class="font6">50kg</span><span class="font5">；</span><span class="font6"><span> </span><br />
4</span><span class="font5">．大型積木應(yīng)結(jié)實(shí)耐用，不得因正常使用和運(yùn)輸而發(fā)生變形和破損。</span><span class="font6"><span> </span><br />
</span>
</td>
</tr>
<tr>
<td class="et15" height="62" width="67">
20520
</td>
<td class="et21" width="165">
塑料插接塊
</td>
<td class="et23" width="339">
外部為<span class="font6">10mm×10mm</span><span class="font5">的正方形，卯榫部位為</span><span class="font6">3mm×3mm×3mm</span><span class="font5">；六面為</span><span class="font6">1</span><span class="font5">平、</span><span class="font6">1</span><span class="font5">凸、</span><span class="font6">4</span><span class="font5">凹；卯榫緊密；除卯榫部位外，其余部分光滑平整，無(wú)變形。<br />
</span>
</td>
</tr>
<tr>
<td class="et15" height="62" width="67">
20521
</td>
<td class="et21" width="165">
塑料連接鏈
</td>
<td class="et23" width="339">
環(huán)的直徑不小于<span class="font6">30mm</span><span class="font5">，卯榫接插部位的外徑不小于</span><span class="font6">3mm</span><span class="font5">，卯榫部位直徑為</span><span class="font6">1mm</span><span class="font5">；材料直徑不小于</span><span class="font6">3mm</span><span class="font5">；材料有一定的強(qiáng)度，保證不容易斷裂和變形。<br />
</span>
</td>
</tr>
<tr>
<td class="et15" height="47" width="67">
20522
</td>
<td class="et21" width="165">
數(shù)字骰子
</td>
<td class="et23" width="339">
材料為高強(qiáng)度白色耐磨樹脂；尺寸不小于<span class="font6">12mm×12mm×12mm</span><span class="font5">，每個(gè)側(cè)面上有不同的數(shù)字，不少于</span><span class="font6">3</span><span class="font5">個(gè)。<br />
</span>
</td>
</tr>
<tr>
<td class="et15" height="31" width="67">
20523
</td>
<td class="et21" width="165">
空白骰子
</td>
<td class="et23" width="339">
尺寸不小于<span class="font6">12mm×12mm×12mm</span><span class="font5">，不少于</span><span class="font6">2</span><span class="font5">個(gè)，材料為高強(qiáng)度白色耐磨樹脂。</span>
</td>
</tr>
<tr>
<td class="et15" height="176" width="67">
20524
</td>
<td class="et21" width="165">
數(shù)字轉(zhuǎn)盤
</td>
<td class="et17" width="339">
1<span class="font5">．盤面直徑為</span><span class="font6">150mm</span><span class="font5">，厚度為</span><span class="font6">4mm</span><span class="font5">；</span><span class="font6"><br />
2</span><span class="font5">．以圓心為中心將轉(zhuǎn)盤分區(qū)，分為</span><span class="font6">10</span><span class="font5">個(gè)扇形，每區(qū)內(nèi)分別標(biāo)有</span><span class="font6">0-9</span><span class="font5">十個(gè)數(shù)字；</span><span class="font6"><br />
3</span><span class="font5">．轉(zhuǎn)動(dòng)部分為軸承，轉(zhuǎn)動(dòng)靈活；</span><span class="font6"><br />
4</span><span class="font5">．底座直徑不小于</span><span class="font6">10mm</span><span class="font5">，材料厚度不小于</span><span class="font6">4mm</span><span class="font5">，高度為</span><span class="font6">100mm</span><span class="font5">；</span><span class="font6"><br />
5</span><span class="font5">．指針長(zhǎng)度為</span><span class="font6">60mm</span><span class="font5">，</span><span class="font6">2mm</span><span class="font5">銅質(zhì)；</span><span class="font6"><br />
6</span><span class="font5">．產(chǎn)品表面應(yīng)無(wú)明顯缺陷和變形；</span><span class="font6"><br />
7</span><span class="font5">．轉(zhuǎn)盤轉(zhuǎn)動(dòng)靈活，轉(zhuǎn)動(dòng)轉(zhuǎn)盤時(shí)轉(zhuǎn)盤擺動(dòng)幅度應(yīng)不大于</span><span class="font6">2mm</span><span class="font5">，停止轉(zhuǎn)動(dòng)時(shí)指針指向應(yīng)是隨機(jī)的。</span><span class="font6"><br />
</span>
</td>
</tr>
<tr>
<td class="et15" height="160" width="67">
20525
</td>
<td class="et21" width="165">
色塊轉(zhuǎn)盤
</td>
<td class="et17" width="339">
1<span class="font5">．盤面直徑為</span><span class="font6">150mm</span><span class="font5">，厚度為</span><span class="font6">4mm</span><span class="font5">；</span><span class="font6"><br />
2</span><span class="font5">．以圓心為中心將轉(zhuǎn)盤分區(qū)，分為</span><span class="font6">12</span><span class="font5">個(gè)扇形；轉(zhuǎn)盤中心安裝軸承，轉(zhuǎn)動(dòng)靈活；</span><span class="font6"><br />
3</span><span class="font5">．底座直徑不小于</span><span class="font6">10mm</span><span class="font5">，材料厚度不小于</span><span class="font6">4mm</span><span class="font5">，高度為</span><span class="font6">100mm</span><span class="font5">；</span><span class="font6"><br />
4</span><span class="font5">．指針長(zhǎng)度為</span><span class="font6">60mm</span><span class="font5">，</span><span class="font6">2mm</span><span class="font5">銅質(zhì)；</span><span class="font6"><br />
5</span><span class="font5">．產(chǎn)品表面應(yīng)無(wú)明顯缺陷和變形；</span><span class="font6"><br />
6</span><span class="font5">．轉(zhuǎn)盤轉(zhuǎn)動(dòng)靈活，轉(zhuǎn)動(dòng)轉(zhuǎn)盤時(shí)轉(zhuǎn)盤擺動(dòng)幅度應(yīng)不大于</span><span class="font6">2mm</span><span class="font5">，停止轉(zhuǎn)動(dòng)時(shí)指針指向應(yīng)是隨機(jī)的。</span><span class="font6"><br />
</span>
</td>
</tr>
<tr>
<td class="et15" height="160" width="67">
20526
</td>
<td class="et21" width="165">
空白轉(zhuǎn)盤
</td>
<td class="et17" width="339">
1<span class="font5">．盤面直徑為</span><span class="font6">150mm</span><span class="font5">，厚度為</span><span class="font6">4mm</span><span class="font5">；</span><span class="font6"><br />
2</span><span class="font5">．以圓心為中心將轉(zhuǎn)盤分區(qū)，分為</span><span class="font6">12</span><span class="font5">個(gè)扇形；轉(zhuǎn)盤中心安裝軸承，轉(zhuǎn)動(dòng)靈活；</span><span class="font6"><br />
3</span><span class="font5">．底座直徑不小于</span><span class="font6">10mm</span><span class="font5">，材料厚度不小于</span><span class="font6">4mm</span><span class="font5">，高度為</span><span class="font6">100mm</span><span class="font5">；</span><span class="font6"><br />
4</span><span class="font5">．指針長(zhǎng)度為</span><span class="font6">60mm</span><span class="font5">，</span><span class="font6">2mm</span><span class="font5">銅質(zhì)；</span><span class="font6"><br />
5</span><span class="font5">．產(chǎn)品表面應(yīng)無(wú)明顯缺陷和變形；</span><span class="font6"><br />
6</span><span class="font5">．轉(zhuǎn)盤轉(zhuǎn)動(dòng)靈活，轉(zhuǎn)動(dòng)轉(zhuǎn)盤時(shí)轉(zhuǎn)盤擺動(dòng)幅度應(yīng)不大于</span><span class="font6">2mm</span><span class="font5">，停止轉(zhuǎn)動(dòng)時(shí)指針指向應(yīng)是隨機(jī)的。</span><span class="font6"><br />
</span>
</td>
</tr>
<tr>
<td class="et15" height="62" width="67">
20527
</td>
<td class="et21" width="165">
幾何圖形片
</td>
<td class="et23" width="339">
包括正方形、長(zhǎng)方形、直角三角形、等邊三角形、平行四邊形、梯形、圓形；材料為厚度不小于<span class="font6">2mm</span><span class="font5">的</span><span class="font6">PVC</span><span class="font5">；最小邊長(zhǎng)不小于</span><span class="font6">50mm</span><span class="font5">；所有圖形片用透明</span><span class="font6">PVC</span><span class="font5">盒裝。<br />
</span>
</td>
</tr>
<tr>
<td class="et15" height="64" width="67">
20528
</td>
<td class="et25" width="165">
集合圈
</td>
<td class="et17" width="339">
1<span class="font5">．產(chǎn)品由</span><span class="font6">8</span><span class="font5">根弧形拼接組成；</span><span class="font6">4</span><span class="font5">根拼接條可拼成一個(gè)直徑</span><span class="font6">220mm</span><span class="font5">的圓；</span><span class="font6"><br />
2</span><span class="font5">．折疊式由透明塑料片制成，厚度不小于</span><span class="font6">0.2mm</span><span class="font5">。</span><span class="font6"><br />
</span>
</td>
</tr>
<tr>
<td class="et15" height="63" width="67">
20529
</td>
<td class="et21" width="165">
計(jì)數(shù)多層積木
</td>
<td class="et23" width="339">
由<span class="font6">10mm×10mm×10mm</span><span class="font5">、</span><span class="font6">100mm×10mm×10mm</span><span class="font5">、</span><span class="font6"><span> </span>100mm×100mm×10mm<span> </span></span><span class="font5">三種規(guī)格的積木塊組成，為規(guī)整的正方形和長(zhǎng)方形，表面光滑，不扭曲和變形；用透明</span><span class="font6">PVC</span><span class="font5">盒裝。<br />
</span>
</td>
</tr>
<tr>
<td class="et15" height="62" width="67">
20530
</td>
<td class="et21" width="165">
七巧板
</td>
<td class="et23" width="339">
七種顏色，所組成的正方形不小于<span class="font6">80mm×80mm</span><span class="font5">，厚不小于</span><span class="font6">1mm</span><span class="font5">，塑料表面要求平滑，無(wú)毛刺、氣泡、傷痕等缺陷，顏色鮮艷。<br />
</span>
</td>
</tr>
<tr>
<td class="et15" height="46" width="67">
20531
</td>
<td class="et21" width="165">
角操作材料
</td>
<td class="et23" width="339">
塑料或金屬材質(zhì)，尺寸不小于<span class="font6">150mm×10mm×2mm</span><span class="font5">；轉(zhuǎn)動(dòng)部分鉚接牢固且轉(zhuǎn)動(dòng)靈活，不易脫落。<br />
</span>
</td>
</tr>
<tr>
<td class="et15" height="17" width="67">
20532
</td>
<td class="et21" width="165">
圖形變換操作材料
</td>
<td class="et23" width="339">
平移、旋轉(zhuǎn)、對(duì)稱等內(nèi)容。
</td>
</tr>
<tr>
<td class="et15" height="17" width="67">
20533
</td>
<td class="et21" width="165">
面積測(cè)量器
</td>
<td class="et23" width="339">
透明，尺寸不小于<span class="font6">100mm×100mm</span><span class="font5">；最小刻度為</span><span class="font6">1mm</span><span class="font5">。</span>
</td>
</tr>
<tr>
<td class="et15" height="94" width="67">
20534
</td>
<td class="et26" width="165">
探索幾何形體面積計(jì)算公式材料
</td>
<td class="et27" width="339">
由各幾何圖形片組成，幾何圖形片采用優(yōu)質(zhì)無(wú)毒塑料制作，厚度不小于<span class="font6">2mm</span><span class="font5">；幾何圖形片包括：長(zhǎng)方形（</span><span class="font6">60mm×30mm</span><span class="font5">）、正方形（</span><span class="font6">25mm×25mm</span><span class="font5">）、三角形（邊長(zhǎng)</span><span class="font6">25mm</span><span class="font5">）、圓形（直徑</span><span class="font6">25mm</span><span class="font5">）、平行四邊形（底邊</span><span class="font6">60mm</span><span class="font5">，高</span><span class="font6">30mm</span><span class="font5">）、梯形（上底邊</span><span class="font6">65mm</span><span class="font5">，高</span><span class="font6">30mm</span><span class="font5">）。<br />
</span>
</td>
</tr>
<tr>
<td class="et15" height="78" width="67">
20535
</td>
<td class="et21" width="165">
探索幾何形體體積計(jì)算公式材料
</td>
<td class="et23" width="339">
產(chǎn)品由工程塑料制作，包括長(zhǎng)方體、正方體、圓柱體、圓錐體；長(zhǎng)方體尺寸為<span class="font6">40mm×40mm×50mm</span><span class="font5">，正方體尺寸為</span><span class="font6">30mm×30mm×30mm</span><span class="font5">，圓柱體與圓錐體等底等高，底面直徑為</span><span class="font6">45mm</span><span class="font5">，高為</span><span class="font6">50mm</span><span class="font5">。<br />
</span>
</td>
</tr>
<tr>
<td class="et15" height="80" width="67">
20536
</td>
<td class="et21" width="165">
口算練習(xí)器
</td>
<td class="et17" width="339">
1<span class="font5">．采用優(yōu)質(zhì)塑料制作；數(shù)字可轉(zhuǎn)動(dòng)；</span><span class="font6"><br />
2</span><span class="font5">．?dāng)?shù)字符號(hào)不小于</span><span class="font6">50mm×80mm.</span><span class="font5">整體為不小于</span><span class="font6">200mm×400mm</span><span class="font5">的長(zhǎng)方形，材料厚度不小于</span><span class="font6">4mm</span><span class="font5">；數(shù)字符號(hào)寬度不小于</span><span class="font6">8mm</span><span class="font5">；</span><span class="font6"><br />
3</span><span class="font5">．圓盤轉(zhuǎn)動(dòng)靈活，沒(méi)有卡死和跳動(dòng)現(xiàn)象，停止可靠。</span><span class="font6"><br />
</span>
</td>
</tr>
<tr>
<td class="et15" height="80" width="67">
20537
</td>
<td class="et21" width="165">
分?jǐn)?shù)片
</td>
<td class="et17" width="339">
1<span class="font5">．供小學(xué)講解分?jǐn)?shù)的基本概念，分?jǐn)?shù)值的大小，分?jǐn)?shù)的基本性質(zhì)和異分母分?jǐn)?shù)的加減法；</span><span class="font6"><br />
2</span><span class="font5">．外形￠</span><span class="font6">250mm</span><span class="font5">，演示</span><span class="font6">1/1—1/12</span><span class="font5">共</span><span class="font6">12</span><span class="font5">種等分；</span><span class="font6"><br />
3</span><span class="font5">．等分片應(yīng)用優(yōu)質(zhì)塑料片制成，厚度</span><span class="font6">0.8mm</span><span class="font5">。</span><span class="font6"><br />
</span>
</td>
</tr>
<tr>
<td class="et15" height="45" width="67">
20539
</td>
<td class="et12" width="165">
塑料量杯
</td>
<td class="et23" width="339">
透明，圓柱形，帶刻度，2L；外形尺寸Φ120×220mm，厚度不小于3mm，最小分度值50mL；表面光滑，刻度清晰。<br />
</td>
</tr>
<tr>
<td class="et15" height="60" width="67">
20540
</td>
<td class="et12" width="165">
塑料量杯
</td>
<td class="et23" width="339">
透明，正六棱柱體，帶刻度，1．5L；外形尺寸Φ110mm，高230mm，厚度為不小于3mm，最小分度值50mL；表面光滑，刻度清晰。<br />
</td>
</tr>
<tr>
<td class="et15" height="45" width="67">
20541
</td>
<td class="et12" width="165">
塑料量杯
</td>
<td class="et23" width="339">
透明，水杯形，帶刻度，1L；外形尺寸Φ104×150mm，厚度為不小于3mm，最小分度值20mL；表面光滑，刻度清晰。<br />
</td>
</tr>
<tr>
<td class="et15" height="176" width="67">
20542
</td>
<td class="et21" width="165">
小學(xué)低年級(jí)數(shù)學(xué)磁性教具
</td>
<td class="et28" width="339">
1<span class="font5">．教具應(yīng)包括：演示板、演示圖板、背景圖；</span><span class="font6"><br />
2</span><span class="font5">．演示板：帶鋁合金邊框的鐵板涂深綠色，不小于</span><span class="font6">600mm×450mm</span><span class="font5">；</span><span class="font6"><br />
3</span><span class="font5">．演示圖板：長(zhǎng)</span><span class="font6">80mm</span><span class="font5">，寬</span><span class="font6">50mm</span><span class="font5">塑料圖板，中間鑲有磁鐵，正面印有數(shù)字或運(yùn)算符號(hào)及實(shí)物圖；</span><span class="font6"><br />
4</span><span class="font5">．背景圖：在拉伸滌綸薄膜上彩印而成，能利用靜電吸附在演示板上或用磁塊壓附在演示板上；</span><span class="font6"><br />
5</span><span class="font5">．本教具能滿足小學(xué)一、二年級(jí)有關(guān)數(shù)學(xué)教學(xué)的要求；</span><span class="font6"><br />
6</span><span class="font5">．整套教具應(yīng)合理、整齊、不移位地存放在堅(jiān)固的包裝箱內(nèi)，便于移動(dòng)和存放。</span><span class="font6"><br />
</span>
</td>
</tr>
<tr>
<td class="et15" height="192" width="67">
20543
</td>
<td class="et21" width="165">
小學(xué)中年級(jí)數(shù)學(xué)磁性教具
</td>
<td class="et28" width="339">
1<span class="font5">．教具應(yīng)包括：演示板、演示圖板、背景圖；</span><span class="font6"><br />
2</span><span class="font5">．演示板：帶鋁合金邊框的鐵板涂深綠色，不小于</span><span class="font6">600mm×450mm</span><span class="font5">；</span><span class="font6"><br />
3</span><span class="font5">．演示圖板：長(zhǎng)</span><span class="font6">80mm</span><span class="font5">，寬</span><span class="font6">50mm</span><span class="font5">塑料圖板，中間鑲有磁鐵，正面印有數(shù)字或運(yùn)算符號(hào)及實(shí)物圖；</span><span class="font6"><br />
4</span><span class="font5">．背景圖：在拉伸滌綸薄膜上彩印而成，能利用靜電吸附在演示板上或用磁塊壓附在演示板上；規(guī)格：長(zhǎng)</span><span class="font6">720mm</span><span class="font5">，寬</span><span class="font6">520mm</span><span class="font5">；</span><span class="font6"><br />
5</span><span class="font5">．本教具能滿足小學(xué)三、四年級(jí)有關(guān)數(shù)學(xué)教學(xué)的要求；</span><span class="font6"><br />
6</span><span class="font5">．整套教具合理、整齊、不移位地存放在堅(jiān)固的包裝箱內(nèi)，便于移動(dòng)和存放。</span><span class="font6"><br />
</span>
</td>
</tr>
<tr>
<td class="et15" height="192" width="67">
20544
</td>
<td class="et21" width="165">
小學(xué)高年級(jí)數(shù)學(xué)磁性教具
</td>
<td class="et28" width="339">
1<span class="font5">．教具應(yīng)包括：演示板、演示圖板、背景圖；</span><span class="font6"><br />
2</span><span class="font5">．演示板：帶鋁合金邊框的鐵板涂深綠色，不小于</span><span class="font6">600mm×450mm</span><span class="font5">；</span><span class="font6"><br />
3</span><span class="font5">．演示圖板：長(zhǎng)</span><span class="font6">80mm</span><span class="font5">，寬</span><span class="font6">50mm</span><span class="font5">塑料圖板，中間鑲有磁鐵，正面印有數(shù)字或運(yùn)算符號(hào)及實(shí)物圖；</span><span class="font6"><br />
4</span><span class="font5">．背景圖：在拉伸滌綸薄膜上彩印而成，能利用靜電吸附在演示板上或用磁塊壓附在演示板上；規(guī)格：長(zhǎng)</span><span class="font6">720mm</span><span class="font5">，寬</span><span class="font6">520mm</span><span class="font5">；</span><span class="font6"><br />
5</span><span class="font5">．本教具能滿足小學(xué)五、六年級(jí)有關(guān)數(shù)學(xué)教學(xué)的要求；</span><span class="font6"><br />
6</span><span class="font5">．整套教具合理、整齊、不移位地存放在堅(jiān)固的包裝箱內(nèi)，便于移動(dòng)和存放。</span><span class="font6"><br />
</span>
</td>
</tr>
<tr>
<td class="et15" height="17" width="67">
3
</td>
<td class="et16" width="165">
模型
</td>
<td class="et17" width="339">
</td>
</tr>
<tr>
<td class="et15" height="17" width="67">
30
</td>
<td class="et16" width="165">
數(shù)學(xué)
</td>
<td class="et17" width="339">
</td>
</tr>
<tr>
<td class="et15" height="331" width="67">
30501
</td>
<td class="et12" width="165">
鐘表模型
</td>
<td class="et14" width="339">
1<span class="font5">．演示用，兩針，非聯(lián)動(dòng)，</span><span class="font6">12</span><span class="font5">時(shí)表示；</span><span class="font6"><br />
2</span><span class="font5">．盤面一般為圓形，直徑為</span><span class="font6">250</span><span class="font5">～</span><span class="font6">300mm</span><span class="font5">。表盤正面均勻分布有</span><span class="font6">60</span><span class="font5">個(gè)分鐘標(biāo)記。整點(diǎn)處分鐘標(biāo)記的寬是非整點(diǎn)處分鐘標(biāo)記寬的</span><span class="font6">3</span><span class="font5">倍。在整點(diǎn)分鐘標(biāo)記內(nèi)側(cè)分別標(biāo)有</span><span class="font6">1</span><span class="font5">，</span><span class="font6">2</span><span class="font5">，</span><span class="font6">3</span><span class="font5">，</span><span class="font6">4</span><span class="font5">，</span><span class="font6">5</span><span class="font5">，</span><span class="font6">6</span><span class="font5">，</span><span class="font6">7</span><span class="font5">，</span><span class="font6">8</span><span class="font5">，</span><span class="font6">9</span><span class="font5">，</span><span class="font6">10</span><span class="font5">，</span><span class="font6">11</span><span class="font5">，</span><span class="font6">12</span><span class="font5">數(shù)字。數(shù)字為直體，字高</span><span class="font6">20mm</span><span class="font5">，數(shù)字的寬約等于字高的三分之二，數(shù)字的筆劃寬度約為字高的十分之一。盤面色調(diào)柔和，分鐘標(biāo)記和數(shù)字清晰、完整、醒目（在正常光照條件下，距離模型</span><span class="font6">7m</span><span class="font5">處目測(cè)）；</span><span class="font6"><br />
3</span><span class="font5">．指針應(yīng)平直，厚薄均勻，不得因正常使用產(chǎn)生變形和斷裂。時(shí)、分針轉(zhuǎn)動(dòng)時(shí)不得有松脫和互相碰擦。分針的尖端和分鐘標(biāo)記內(nèi)側(cè)之間的距離不得大于</span><span class="font6">2mm</span><span class="font5">。分針與時(shí)針長(zhǎng)度的比值不小于</span><span class="font6">1.5</span><span class="font5">。分針與時(shí)針最寬處比值不大于</span><span class="font6">1</span><span class="font5">，最窄處比值不大于</span><span class="font6">0.5</span><span class="font5">；</span><span class="font6"><br />
4</span><span class="font5">．將鐘面模型的時(shí)針和分針調(diào)在整</span><span class="font6">12</span><span class="font5">點(diǎn)處，使其完全重合，沿順時(shí)針?lè)较蜣D(zhuǎn)動(dòng)分針，帶動(dòng)時(shí)針轉(zhuǎn)動(dòng)兩周后，使時(shí)針和分針再度重合，分針的位置應(yīng)符合要求。在轉(zhuǎn)達(dá)動(dòng)過(guò)程中應(yīng)符合要求；</span><span class="font6"><br />
5</span><span class="font5">．鐘面模型應(yīng)既可放在桌面上使用，也可掛在墻上使用；</span><span class="font6"><br />
6</span><span class="font5">．鐘面模型的主要零件是塑料件時(shí)，應(yīng)保證在溫度</span><span class="font6">-25</span><span class="font5">～</span><span class="font6">40</span><span class="font5">℃的條件下貯存不得產(chǎn)生變形、開裂。</span><span class="font6"><br />
</span>
</td>
</tr>
<tr>
<td class="et15" height="393" width="67">
30502
</td>
<td class="et12" width="165">
鐘表模型
</td>
<td class="et14" width="339">
1<span class="font5">．</span><span class="font6"><span> </span></span><span class="font5">演示用，三針，聯(lián)動(dòng)，</span><span class="font6">12</span><span class="font5">時(shí)表示；</span><span class="font6"><br />
2</span><span class="font5">．盤面一般為圓形，直徑為</span><span class="font6">250</span><span class="font5">～</span><span class="font6">300mm</span><span class="font5">。表盤正面均勻分布有</span><span class="font6">60</span><span class="font5">個(gè)分鐘標(biāo)記。整點(diǎn)處分鐘標(biāo)記的寬是非整點(diǎn)處分鐘標(biāo)記寬的</span><span class="font6">3</span><span class="font5">倍。在整點(diǎn)分鐘標(biāo)記內(nèi)側(cè)分別標(biāo)有</span><span class="font6">1</span><span class="font5">，</span><span class="font6">2</span><span class="font5">，</span><span class="font6">3</span><span class="font5">，</span><span class="font6">4</span><span class="font5">，</span><span class="font6">5</span><span class="font5">，</span><span class="font6">6</span><span class="font5">，</span><span class="font6">7</span><span class="font5">，</span><span class="font6">8</span><span class="font5">，</span><span class="font6">9</span><span class="font5">，</span><span class="font6">10</span><span class="font5">，</span><span class="font6">11</span><span class="font5">，</span><span class="font6">12</span><span class="font5">數(shù)字。數(shù)字為直體，字高</span><span class="font6">20mm</span><span class="font5">，數(shù)字的寬約等于字高的三分之二，數(shù)字的筆劃寬度約為字高的十分之一。盤面色調(diào)柔和，分鐘標(biāo)記和數(shù)字清晰、完整、醒目（在正常光照條件下，距離模型</span><span class="font6">7m</span><span class="font5">處目測(cè)）；</span><span class="font6"><br />
3</span><span class="font5">．指針應(yīng)平直，厚薄均勻，不得因正常使用產(chǎn)生變形和斷裂。時(shí)、分針轉(zhuǎn)動(dòng)時(shí)不得有松脫和互相碰擦。分針的尖端和分鐘標(biāo)記內(nèi)側(cè)之間的距離不得大于</span><span class="font6">2mm</span><span class="font5">。分針與時(shí)針長(zhǎng)度的比值不小于</span><span class="font6">1.5</span><span class="font5">。分針與時(shí)針最寬處比值不大于</span><span class="font6">1</span><span class="font5">，最窄處比值不大于</span><span class="font6">0.5</span><span class="font5">；</span><span class="font6"><br />
4.<span> </span></span><span class="font5">聯(lián)動(dòng)裝置應(yīng)保證指針轉(zhuǎn)動(dòng)靈活、平穩(wěn)、松緊適當(dāng)，不得有跳動(dòng)、卡死和松脫現(xiàn)象。聯(lián)動(dòng)裝置應(yīng)保證指針轉(zhuǎn)動(dòng)時(shí)能停止在任一時(shí)間位置。聯(lián)動(dòng)裝置應(yīng)保證時(shí)針旋轉(zhuǎn)兩周后分針示值誤差不大于</span><span class="font6">±1min</span><span class="font5">；</span><span class="font6"><br />
5</span><span class="font5">．將鐘面模型的時(shí)針和分針調(diào)在整</span><span class="font6">12</span><span class="font5">點(diǎn)處，使其完全重合，沿順時(shí)針?lè)较蜣D(zhuǎn)動(dòng)分針，帶動(dòng)時(shí)針轉(zhuǎn)動(dòng)兩周后，使時(shí)針和分針再度重合，分針的位置應(yīng)符合要求。在轉(zhuǎn)達(dá)動(dòng)過(guò)程中應(yīng)符合要求；</span><span class="font6"><br />
6</span><span class="font5">．鐘面模型應(yīng)既可放在桌面上使用，也可掛在墻上使用；</span><span class="font6"><br />
7</span><span class="font5">．鐘面模型的主要零件是塑料件時(shí)，應(yīng)保證在溫度</span><span class="font6">-25</span><span class="font5">～</span><span class="font6">40</span><span class="font5">℃的條件下貯存不得產(chǎn)生變形、開裂。</span><span class="font6"><br />
</span>
</td>
</tr>
<tr>
<td class="et15" height="375" width="67">
30503
</td>
<td class="et12" width="165">
鐘表模型
</td>
<td class="et14" width="339">
1<span class="font5">．</span><span class="font6"><span> </span></span><span class="font5">演示用，三針，聯(lián)動(dòng)，</span><span class="font6">24</span><span class="font5">時(shí)表示；</span><span class="font6"><br />
2</span><span class="font5">．盤面一般為圓形，直徑為</span><span class="font6">250</span><span class="font5">～</span><span class="font6">300mm</span><span class="font5">。表盤正面均勻分布有</span><span class="font6">60</span><span class="font5">個(gè)分鐘標(biāo)記。整點(diǎn)處分鐘標(biāo)記的寬是非整點(diǎn)處分鐘標(biāo)記寬的</span><span class="font6">3</span><span class="font5">倍。數(shù)字為直體，字高</span><span class="font6">20mm</span><span class="font5">，數(shù)字的寬約等于字高的三分之二，數(shù)字的筆劃寬度約為字高的十分之一。盤面色調(diào)柔和，分鐘標(biāo)記和數(shù)字清晰、完整、醒目（在正常光照條件下，距離模型</span><span class="font6">7m</span><span class="font5">處目測(cè)）；</span><span class="font6"><br />
3</span><span class="font5">．指針應(yīng)平直，厚薄均勻，不得因正常使用產(chǎn)生變形和斷裂。時(shí)、分針轉(zhuǎn)動(dòng)時(shí)不得有松脫和互相碰擦。分針的尖端和分鐘標(biāo)記內(nèi)側(cè)之間的距離不得大于</span><span class="font6">2mm</span><span class="font5">。分針與時(shí)針長(zhǎng)度的比值不小于</span><span class="font6">1.5</span><span class="font5">。分針與時(shí)針最寬處比值不大于</span><span class="font6">1</span><span class="font5">，最窄處比值不大于</span><span class="font6">0.5</span><span class="font5">；</span><span class="font6"><br />
4.<span> </span></span><span class="font5">聯(lián)動(dòng)裝置應(yīng)保證指針轉(zhuǎn)動(dòng)靈活、平穩(wěn)、松緊適當(dāng)，不得有跳動(dòng)、卡死和松脫現(xiàn)象。聯(lián)動(dòng)裝置應(yīng)保證指針轉(zhuǎn)動(dòng)時(shí)能停止在任一時(shí)間位置。聯(lián)動(dòng)裝置應(yīng)保證時(shí)針旋轉(zhuǎn)兩周后分針示值誤差不大于</span><span class="font6">±1min</span><span class="font5">；</span><span class="font6"><br />
5</span><span class="font5">．將鐘面模型的時(shí)針和分針調(diào)在整</span><span class="font6">12</span><span class="font5">點(diǎn)處，使其完全重合，沿順時(shí)針?lè)较蜣D(zhuǎn)動(dòng)分針，帶動(dòng)時(shí)針轉(zhuǎn)動(dòng)兩周后，使時(shí)針和分針再度重合，分針的位置應(yīng)符合要求。在轉(zhuǎn)達(dá)動(dòng)過(guò)程中應(yīng)符合要求；</span><span class="font6"><br />
6</span><span class="font5">．鐘面模型應(yīng)既可放在桌面上使用，也可掛在墻上使用；</span><span class="font6"><br />
7</span><span class="font5">．鐘面模型的主要零件是塑料件時(shí)，應(yīng)保證在溫度-25～40℃的條件下貯存不得產(chǎn)生變形、開裂。<br />
</span>
</td>
</tr>
<tr>
<td class="et15" height="310" width="67">
30504
</td>
<td class="et12" width="165">
鐘表模型
</td>
<td class="et29" width="339">
1．學(xué)生用，兩針，非聯(lián)動(dòng)；<br />
<span class="font6">2</span><span class="font5">．盤面一般為圓形，</span><span class="font6">PVC</span><span class="font5">材質(zhì)，厚度不小于</span><span class="font6">3mm</span><span class="font5">，外形直徑不小于</span><span class="font6">80mm</span><span class="font5">。表盤正面均勻分布有</span><span class="font6">60</span><span class="font5">個(gè)分鐘標(biāo)記。整點(diǎn)處分鐘標(biāo)記的寬是非整點(diǎn)處分鐘標(biāo)記寬的</span><span class="font6">3</span><span class="font5">倍。在整點(diǎn)分鐘標(biāo)記內(nèi)側(cè)分別標(biāo)有</span><span class="font6">1</span><span class="font5">，</span><span class="font6">2</span><span class="font5">，</span><span class="font6">3</span><span class="font5">，</span><span class="font6">4</span><span class="font5">，</span><span class="font6">5</span><span class="font5">，</span><span class="font6">6</span><span class="font5">，</span><span class="font6">7</span><span class="font5">，</span><span class="font6">8</span><span class="font5">，</span><span class="font6">9</span><span class="font5">，</span><span class="font6">10</span><span class="font5">，</span><span class="font6">11</span><span class="font5">，</span><span class="font6">12</span><span class="font5">數(shù)字。數(shù)字為直體，數(shù)字的寬約等于字高的三分之二，數(shù)字的筆劃寬度約為字高的十分之一。盤面色調(diào)柔和，分鐘標(biāo)記和數(shù)字清晰、完整、醒目；<br />
</span><span class="font6">3</span><span class="font5">．指針應(yīng)平直，厚薄均勻，不得因正常使用產(chǎn)生變形和斷裂。時(shí)、分針轉(zhuǎn)動(dòng)時(shí)不得有松脫和互相碰擦。分針的尖端和分鐘標(biāo)記內(nèi)側(cè)之間的距離不得大于</span><span class="font6">2mm</span><span class="font5">。分針與時(shí)針長(zhǎng)度的比值不小于</span><span class="font6">1.5</span><span class="font5">。分針與時(shí)針最寬處比值不大于</span><span class="font6">1</span><span class="font5">，最窄處比值不大于</span><span class="font6">0.5</span><span class="font5">；<br />
</span><span class="font6">4</span><span class="font5">．將鐘面模型的時(shí)針和分針調(diào)在整</span><span class="font6">12</span><span class="font5">點(diǎn)處，使其完全重合，沿順時(shí)針?lè)较蜣D(zhuǎn)動(dòng)分針，帶動(dòng)時(shí)針轉(zhuǎn)動(dòng)兩周后，使時(shí)針和分針再度重合，分針的位置應(yīng)符合要求。在轉(zhuǎn)達(dá)動(dòng)過(guò)程中應(yīng)符合要求；<br />
</span><span class="font6">5</span><span class="font5">．鐘面模型的主要零件是塑料件時(shí)，應(yīng)保證在溫度</span><span class="font6">-25</span><span class="font5">～</span><span class="font6">40</span><span class="font5">℃的條件下貯存不得產(chǎn)生變形、開裂。<br />
</span>
</td>
</tr>
<tr>
<td class="et15" height="372" width="67">
30505
</td>
<td class="et12" width="165">
鐘表模型
</td>
<td class="et29" width="339">
1．學(xué)生用，三針，聯(lián)動(dòng)；<br />
<span class="font6">2</span><span class="font5">．盤面一般為圓形，</span><span class="font6">PVC</span><span class="font5">材質(zhì)，厚度不小于</span><span class="font6">3mm</span><span class="font5">，外形直徑不小于</span><span class="font6">80mm</span><span class="font5">。表盤正面均勻分布有</span><span class="font6">60</span><span class="font5">個(gè)分鐘標(biāo)記。整點(diǎn)處分鐘標(biāo)記的寬是非整點(diǎn)處分鐘標(biāo)記寬的</span><span class="font6">3</span><span class="font5">倍。在整點(diǎn)分鐘標(biāo)記內(nèi)側(cè)分別標(biāo)有</span><span class="font6">1</span><span class="font5">，</span><span class="font6">2</span><span class="font5">，</span><span class="font6">3</span><span class="font5">，</span><span class="font6">4</span><span class="font5">，</span><span class="font6">5</span><span class="font5">，</span><span class="font6">6</span><span class="font5">，</span><span class="font6">7</span><span class="font5">，</span><span class="font6">8</span><span class="font5">，</span><span class="font6">9</span><span class="font5">，</span><span class="font6">10</span><span class="font5">，</span><span class="font6">11</span><span class="font5">，</span><span class="font6">12</span><span class="font5">數(shù)字。數(shù)字為直體，數(shù)字的寬約等于字高的三分之二，數(shù)字的筆劃寬度約為字高的十分之一。盤面色調(diào)柔和，分鐘標(biāo)記和數(shù)字清晰、完整、醒目；<br />
</span><span class="font6">3</span><span class="font5">．指針應(yīng)平直，厚薄均勻，不得因正常使用產(chǎn)生變形和斷裂。時(shí)、分針轉(zhuǎn)動(dòng)時(shí)不得有松脫和互相碰擦。分針的尖端和分鐘標(biāo)記內(nèi)側(cè)之間的距離不得大于</span><span class="font6">2mm</span><span class="font5">。分針與時(shí)針長(zhǎng)度的比值不小于</span><span class="font6">1.5</span><span class="font5">。分針與時(shí)針最寬處比值不大于</span><span class="font6">1</span><span class="font5">，最窄處比值不大于</span><span class="font6">0.5</span><span class="font5">；<br />
</span><span class="font6">4.<span> </span></span><span class="font5">聯(lián)動(dòng)裝置應(yīng)保證指針轉(zhuǎn)動(dòng)靈活、平穩(wěn)、松緊適當(dāng)，不得有跳動(dòng)、卡死和松脫現(xiàn)象。聯(lián)動(dòng)裝置應(yīng)保證指針轉(zhuǎn)動(dòng)時(shí)能停止在任一時(shí)間位置。聯(lián)動(dòng)裝置應(yīng)保證時(shí)針旋轉(zhuǎn)兩周后分針示值誤差不大于</span><span class="font6">±1min</span><span class="font5">；<br />
</span><span class="font6">5</span><span class="font5">．將鐘面模型的時(shí)針和分針調(diào)在整</span><span class="font6">12</span><span class="font5">點(diǎn)處，使其完全重合，沿順時(shí)針?lè)较蜣D(zhuǎn)動(dòng)分針，帶動(dòng)時(shí)針轉(zhuǎn)動(dòng)兩周后，使時(shí)針和分針再度重合，分針的位置應(yīng)符合要求。在轉(zhuǎn)達(dá)動(dòng)過(guò)程中應(yīng)符合要求；<br />
</span><span class="font6">6</span><span class="font5">．鐘面模型的主要零件是塑料件時(shí)，應(yīng)保證在溫度</span><span class="font6">-25</span><span class="font5">～</span><span class="font6">40</span><span class="font5">℃的條件下貯存不得產(chǎn)生變形、開裂。<br />
</span>
</td>
</tr>
<tr>
<td class="et15" height="222" width="67">
30506
</td>
<td class="et21" width="165">
幾何形體模型
</td>
<td class="et14" width="339">
1． 產(chǎn)品包括：長(zhǎng)方體（一般和特殊）、正方體、實(shí)心圓柱、空心圓柱、圓錐體（等底等高、等底不等高、等高不等底）、球；<br />
2． 所有幾何形體均采用無(wú)毒優(yōu)質(zhì)塑料注塑成型，顏色各異，色澤純正、鮮艷；<br />
3． 長(zhǎng)方體分為一般長(zhǎng)方體和特殊長(zhǎng)方體，特殊長(zhǎng)方體尺寸為54mm×54mm×60mm，一般長(zhǎng)方體尺寸為60mm×30mm×15mm；正方體尺寸為40mm×40mm×40mm；<br />
4． 實(shí)心圓柱尺寸為Φ60mm×60mm；空心圓柱外形為Φ60mm×60mm，內(nèi)孔直徑Φ27mm；<br />
圓錐體包含等底等高、等底不等高、等高不等底三種形式，尺寸分別為：Φ60mm×60mm、Φ60mm×90mm、Φ46mm×60mm；<br />
5． PVC盒裝。<br />
</td>
</tr>
<tr>
<td class="et15" height="32" width="67">
30507
</td>
<td class="et21" width="165">
厘米立方塊
</td>
<td class="et23" width="339">
每塊為單色，顏色種類不少于<span class="font6">2</span><span class="font5">種，</span><span class="font6">10mm×10mm×10mm</span><span class="font5">，</span><span class="font6">30</span><span class="font5">個(gè)；</span><span class="font6">PVC</span><span class="font5">材質(zhì)，表面光滑，無(wú)變形和凹凸；</span><span class="font6">PVC</span><span class="font5">盒裝。</span>
</td>
</tr>
<tr>
<td class="et15" height="32" width="67">
30508
</td>
<td class="et21" width="165">
幾何形體表面積展開模型
</td>
<td class="et23" width="339">
長(zhǎng)方體、正方體、圓柱體；模型最小邊長(zhǎng)和直徑為<span class="font6">50mm</span><span class="font5">，材質(zhì)為</span><span class="font6">PVC</span><span class="font5">；表面用厚</span><span class="font6">0.2mm</span><span class="font5">的透明</span><span class="font6">PVC</span><span class="font5">制成。</span>
</td>
</tr>
<tr>
<td class="et15" height="144" width="67">
30509
</td>
<td class="et21" width="165">
圓面積、圓周率計(jì)算公式推導(dǎo)演示模型
</td>
<td class="et17" width="339">
1．圓面積演示器直徑Φ200mm，厚10mm，扇形面（塊）16個(gè)；表面涂淺色漆；<br />
2．圓周率演示器中的直徑100mm，厚5mm；面板400mm×80mm×8mm，表面涂淺色漆，圓面積和面板漆色有較大反差，其上的標(biāo)志、符號(hào)、數(shù)字等清晰可見(jiàn)；<br />
3．本演示模型應(yīng)能很好地演示圓周率計(jì)算公式推導(dǎo)過(guò)程和結(jié)果。<br />
</td>
</tr>
<tr>
<td class="et15" height="17" width="67">
5
</td>
<td class="et16" width="165">
掛圖、軟件及資料
</td>
<td class="et17" width="339">
</td>
</tr>
<tr>
<td class="et15" height="17" width="67">
50
</td>
<td class="et16" width="165">
數(shù)學(xué)
</td>
<td class="et17" width="339">
</td>
</tr>
<tr>
<td class="et15" height="17" width="67">
500
</td>
<td class="et16" width="165">
教學(xué)掛圖<span class="font6">(</span><span class="font7">圖片</span><span class="font6">)</span>
</td>
<td class="et17" width="339">
</td>
</tr>
<tr>
<td class="et15" height="17" width="67">
50051
</td>
<td class="et25" width="165">
物品卡片
</td>
<td class="et23" width="339">
購(gòu)物游戲用
</td>
</tr>
<tr>
<td class="et15" height="302" width="67">
50052
</td>
<td class="et21" width="165">
小學(xué)數(shù)學(xué)數(shù)與代數(shù)部分教學(xué)掛圖
</td>
<td class="et14" width="339">
1．29幅；<br />
2．紙張規(guī)格：紙張不低于105克銅版紙，覆膜，開本不小于750mm×520mm；<br />
3．印刷：四色彩色膠印；<br />
4．圖形：教學(xué)掛圖應(yīng)圖像清晰，色澤自然鮮明，位置準(zhǔn)確；附彩圖說(shuō)明書；<br />
5．圖片印刷套印準(zhǔn)確，層次分明，輪廓實(shí)，電分制版無(wú)浮雕��；網(wǎng)點(diǎn)清晰飽滿，小點(diǎn)不禿，大點(diǎn)光潔不糊，質(zhì)感好； 墨色均勻厚實(shí)，色彩鮮有光澤，膚色正、接版準(zhǔn)確，色調(diào)深淺一致； 文字印刷壓力適度，全圖前后輕重一致； 全圖前后墨色一致，濃淡適度 符合要求； 版面端正，正反套印準(zhǔn)確；文字、標(biāo)點(diǎn)清晰，筆鋒挺秀，無(wú)缺筆斷劃，標(biāo)題黑實(shí)不花，小字不糊不瞎；無(wú)臟污、破損；無(wú)野墨； 成品裁切方正，無(wú)明顯刀花，無(wú)連接頁(yè)、折角、破頭；書面平服，無(wú)皺折；<br />
6．印刷標(biāo)準(zhǔn)：符合GB7705-87《平版裝潢印刷品標(biāo)準(zhǔn)》； <br />
7．適用于《全日制義務(wù)教育小學(xué)數(shù)學(xué)課程標(biāo)準(zhǔn)》；<br />
8．審查：經(jīng)教育部中小學(xué)教材審定委員會(huì)審查并通過(guò)；<br />
9．內(nèi)包裝應(yīng)標(biāo)明：編審單位、審查批號(hào)、出版單位等。<br />
</td>
</tr>
<tr>
<td class="et15" height="302" width="67">
50053
</td>
<td class="et21" width="165">
小學(xué)數(shù)學(xué)空間與圖形部分教學(xué)掛圖
</td>
<td class="et14" width="339">
1．23幅；<br />
2．紙張規(guī)格：紙張不低于105克銅版紙，覆膜，開本不小于750mm×520mm；<br />
3．印刷：四色彩色膠�。�<br />
4．圖形：教學(xué)掛圖應(yīng)圖像清晰，色澤自然鮮明，位置準(zhǔn)確；附彩圖說(shuō)明書；<br />
5．圖片印刷套印準(zhǔn)確，層次分明，輪廓實(shí)，電分制版無(wú)浮雕�。痪W(wǎng)點(diǎn)清晰飽滿，小點(diǎn)不禿，大點(diǎn)光潔不糊，質(zhì)感好； 墨色均勻厚實(shí)，色彩鮮有光澤，膚色正、接版準(zhǔn)確，色調(diào)深淺一致； 文字印刷壓力適度，全圖前后輕重一致； 全圖前后墨色一致，濃淡適度 符合要求； 版面端正，正反套印準(zhǔn)確；文字、標(biāo)點(diǎn)清晰，筆鋒挺秀，無(wú)缺筆斷劃，標(biāo)題黑實(shí)不花，小字不糊不瞎；無(wú)臟污、破損；無(wú)野墨； 成品裁切方正，無(wú)明顯刀花，無(wú)連接頁(yè)、折角、破頭；書面平服，無(wú)皺折；<br />
6．印刷標(biāo)準(zhǔn)：符合GB7705-87《平版裝潢印刷品標(biāo)準(zhǔn)》； <br />
7．適用于《全日制義務(wù)教育小學(xué)數(shù)學(xué)課程標(biāo)準(zhǔn)》；<br />
8．審查：經(jīng)教育部中小學(xué)教材審定委員會(huì)審查并通過(guò)；<br />
9．內(nèi)包裝應(yīng)標(biāo)明：編審單位、審查批號(hào)、出版單位等。<br />
</td>
</tr>
<tr>
<td class="et15" height="302" width="67">
50054
</td>
<td class="et21" width="165">
小學(xué)數(shù)學(xué)統(tǒng)計(jì)與概率教學(xué)掛圖
</td>
<td class="et14" width="339">
1．10幅；<br />
2．紙張規(guī)格：紙張不低于105克銅版紙，覆膜，開本不小于750mm×520mm；<br />
3．印刷：四色彩色膠��；<br />
4．圖形：教學(xué)掛圖應(yīng)圖像清晰，色澤自然鮮明，位置準(zhǔn)確；附彩圖說(shuō)明書；<br />
5．圖片印刷套印準(zhǔn)確，層次分明，輪廓實(shí)，電分制版無(wú)浮雕�。痪W(wǎng)點(diǎn)清晰飽滿，小點(diǎn)不禿，大點(diǎn)光潔不糊，質(zhì)感好； 墨色均勻厚實(shí)，色彩鮮有光澤，膚色正、接版準(zhǔn)確，色調(diào)深淺一致； 文字印刷壓力適度，全圖前后輕重一致； 全圖前后墨色一致，濃淡適度 符合要求； 版面端正，正反套印準(zhǔn)確；文字、標(biāo)點(diǎn)清晰，筆鋒挺秀，無(wú)缺筆斷劃，標(biāo)題黑實(shí)不花，小字不糊不瞎；無(wú)臟污、破損；無(wú)野墨； 成品裁切方正，無(wú)明顯刀花，無(wú)連接頁(yè)、折角、破頭；書面平服，無(wú)皺折；<br />
6．印刷標(biāo)準(zhǔn)：符合GB7705-87《平版裝潢印刷品標(biāo)準(zhǔn)》； <br />
7．適用于《全日制義務(wù)教育小學(xué)數(shù)學(xué)課程標(biāo)準(zhǔn)》；<br />
8．審查：經(jīng)教育部中小學(xué)教材審定委員會(huì)審查并通過(guò)；<br />
9．內(nèi)包裝應(yīng)標(biāo)明：編審單位、審查批號(hào)、出版單位等。<br />
</td>
</tr>
<tr>
<td class="et15" height="302" width="67">
50055
</td>
<td class="et21" width="165">
小學(xué)數(shù)學(xué)資料圖
</td>
<td class="et14" width="339">
1．8幅；<br />
2．紙張規(guī)格：紙張不低于105克銅版紙，覆膜，開本不小于750mm×520mm；<br />
3．印刷：四色彩色膠印；<br />
4．圖形：教學(xué)掛圖應(yīng)圖像清晰，色澤自然鮮明，位置準(zhǔn)確；附彩圖說(shuō)明書；<br />
5．圖片印刷套印準(zhǔn)確，層次分明，輪廓實(shí)，電分制版無(wú)浮雕�。痪W(wǎng)點(diǎn)清晰飽滿，小點(diǎn)不禿，大點(diǎn)光潔不糊，質(zhì)感好； 墨色均勻厚實(shí)，色彩鮮有光澤，膚色正、接版準(zhǔn)確，色調(diào)深淺一致； 文字印刷壓力適度，全圖前后輕重一致； 全圖前后墨色一致，濃淡適度 符合要求； 版面端正，正反套印準(zhǔn)確；文字、標(biāo)點(diǎn)清晰，筆鋒挺秀，無(wú)缺筆斷劃，標(biāo)題黑實(shí)不花，小字不糊不瞎；無(wú)臟污、破損；無(wú)野墨； 成品裁切方正，無(wú)明顯刀花，無(wú)連接頁(yè)、折角、破頭；書面平服，無(wú)皺折；<br />
6．印刷標(biāo)準(zhǔn)：符合GB7705-87《平版裝潢印刷品標(biāo)準(zhǔn)》； <br />
7．適用于《全日制義務(wù)教育小學(xué)數(shù)學(xué)課程標(biāo)準(zhǔn)》；<br />
8．審查：經(jīng)教育部中小學(xué)教材審定委員會(huì)審查并通過(guò)；<br />
9．內(nèi)包裝應(yīng)標(biāo)明：編審單位、審查批號(hào)、出版單位等。<br />
</td>
</tr>
<tr>
<td class="et15" height="17" width="67">
8
</td>
<td class="et16" width="165">
其它實(shí)驗(yàn)材料和工具
</td>
<td class="et17" width="339">
</td>
</tr>
<tr>
<td class="et15" height="17" width="67">
81
</td>
<td class="et16" width="165">
工具
</td>
<td class="et17" width="339">
</td>
</tr>
<tr>
<td class="et15" height="47" width="67">
81032
</td>
<td class="et21" width="165">
剪刀
</td>
<td class="et14" width="339">
1<span class="font5">．長(zhǎng)度不小于</span><span class="font6">130mm</span><span class="font5">；</span><span class="font6"><br />
2</span><span class="font5">．刀身采用優(yōu)質(zhì)不銹鋼制作，表面光滑；刀刃鋒利耐用，不變形。</span>
</td>
</tr>
<tr>
<td class="et15" height="48" width="67">
81251
</td>
<td class="et21" width="165">
圓柱形塑料杯
</td>
<td class="et17" width="339">
1<span class="font5">．高不低于</span><span class="font6">120mm</span><span class="font5">，杯內(nèi)直徑不小于</span><span class="font6">80mm</span><span class="font5">；</span><span class="font6">PVC<span> </span></span><span class="font5">塑料，厚度不小于</span><span class="font6">2mm</span><span class="font5">；</span><span class="font6"><br />
2</span><span class="font5">．材質(zhì)為優(yōu)質(zhì)塑料，受擠壓后不出現(xiàn)裂紋。</span>
</td>
</tr>
<tr>
<td class="et15" height="48" width="67">
81252
</td>
<td class="et21" width="165">
方形塑料杯
</td>
<td class="et17" width="339">
1<span class="font5">．高不低于</span><span class="font6">120mm</span><span class="font5">，杯內(nèi)直徑不小于</span><span class="font6">80mm</span><span class="font5">；</span><span class="font6">PVC<span> </span></span><span class="font5">塑料，厚度不小于</span><span class="font6">2mm</span><span class="font5">‘</span><span class="font6"><br />
2</span><span class="font5">．材質(zhì)為優(yōu)質(zhì)塑料，受擠壓后不出現(xiàn)裂紋。</span>
</td>
</tr>
<tr>
<td class="et15" height="17" width="67">
81253
</td>
<td class="et21" width="165">
刻刀
</td>
<td class="et23" width="339">
中型美工刀。
</td>
</tr>
<tr>
<td class="et15" height="48" width="67">
81254
</td>
<td class="et21" width="165">
角尺
</td>
<td class="et17" width="339">
1<span class="font5">．規(guī)格</span><span class="font6">600mm×50mm</span><span class="font5">，長(zhǎng)度</span><span class="font6">600mm</span><span class="font5">；厚度不小于</span><span class="font6">1mm<br />
2．不銹鋼材料； 精度等級(jí)為0，未經(jīng)回火；<span> </span>材料硬度：達(dá)200HRB 。</span>
</td>
</tr>
</tbody>
</table>
</p> |
|
| 會(huì)員級(jí)別：免費(fèi)會(huì)員 |
| 加入時(shí)間：2009-05-08
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