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Avoding this condition, we can change the integral cranks gravity center and realize stable equilibrium.

为避免此种状态的出现，可改变整体曲柄重心，实现稳定平。

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This effectively breaks up, or overlaps the action so it doesn't all stop at the same time avoding "twins" in time and not only "pose".

正是因为动作重叠规律的存在导致了胳膊和手不是同时到达静止的状况。