杨氏弹性模量测量的实验思考题
实验中如果没有用上梁底微调旋钮调节夹板的水平,测量结果有何变化,说明理由
人气：246 ℃ 时间：2019-10-17 00:41:38
解答
没有.记好尺的刻度即可.区分好正负值.
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