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在测量中进行多次测量求平均值作为测量结果是为了 A．避免产生误差b．避免产生错误c．可以减小误差d．提高准确程度——青夏教育精英家教�—— Template






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tomski在测量中进行多次测量求平均值作为测量结果是为了 a．避免产生误差b．避免产生错误c．可以减小误差d．提高准确程度——青夏教育精英家教�—— coloring
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在测量中进行多次测量求平均值作为测量结果是为了 A．避免产生误差B．避免产生错误C．可以减小误差D．提高准确程度——青夏教育精英家教—— sketch template
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第13章 误差理论 测试技术复习 知乎 sketch template
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已知A点高程为60352m 将水准仪置于 A、B两点之间在 A点尺上的读数a = 1585m 在B点尺上的读数b 0465m sketch template
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关于错误和误差下列说法正确的是 A．误差的产生与测量工具有关B．测量时多估计几位数字就能减小误差C．多次测量求平均值可以消除错误D．随着 sketch template
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在测量中进行多次测量求平均值作为测量结果是为了 A．避免产生误差 B．避免产生错误C．可以减小误差 D．提高准确程度 题目和参考答案 sketch template
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在测量某一定值电阻值的实验中小阳同学按图所示的实验装置进行实验．把所测量的物理量的值写在了草稿纸上如图乙所示．请你设计一个表格把测量和 sketch template
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题目小颖小组在做“测量小灯泡电功率 的实验中实验室有如下器材电源电压恒为6V小灯泡L额定电压为25V灯丝电阻约为10Ω sketch template
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在“测量属的电阻率 实验中所用测量仪器均已校准待测属丝接入电路部分的长度约为50cm．1用螺旋测微器测量属丝的直径其中某一次 sketch template
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在用刻度尺测量某物体的长度时为了减小误差应进行多次测量取平均值下列关于多次测量的做法中正确的是 A．每次都必须以尺的零刻度线为起点 sketch template
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关于误差下列说法正确的是A 误差就是在测量中产生的错误 B 多次测量取平均值可以消除误差C 测量中误差无法避免但可以尽量减小 D sketch template
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某同学在做“利用单测重力加速度 实验中为了提高实验精度在实验中可改变几次长l并测出相应的期T从而得出一组对应的l与T的数据再以l sketch template
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题目如图所示在测量小车运动的平均速度实验中让小车从斜面的A点由静止开始下并开始计时分别测出小车到达B点和C点的时间即可算出小车在 sketch template
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测量时为了减误差可采取多次测量取平均值的方法． ． 题目和参考答案——青夏教育精英家教—— sketch template
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在伏安法测电阻的实验中1请将如图1所示的电路连接完整要求当动变阻器的片右移动时电流表的示数减小在连接电路时开关应断开．2 sketch template
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在“伏安法 测电阻的实验中．1请用笔画线代替导线将图1所示的实物电路连接完整要求片右移动时电流变大．2在连接电路时开关应该 sketch template