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本文分析了带电摆球分别在缓慢到达最低点之前的过程和在最低点静止的过程中的动态平衡问题,并用图像法进行了直观描述.
This paper analyzes the problem that the charged pendulum moves to the lowest point before it slowly reaches the lowest point and the dynamic equilibrium at the lowest point is static, and the image method is used to describe it intuitively.