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However at the free end, displacement is double and strain is zero.
在自由端,应力为零而位移加倍。
youdao
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In the same time we let the relative displacement be zero.
同时令相对位移为零可得出中性点位置。
youdao
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In the same time we let the relative displacement be zero.
同时令相对位移为零可得出中性点位置。
youdao