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来源:雅诚德英语网
If you are going to push that object that would be really where the equivalent point mass would lie.
给物体一个推力,就等价于推力作用在重心的情况。
If you are going to push that object that would be really where the equivalent point mass would lie.
给物体一个推力,就等价于推力作用在重心的情况。