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笔者阅读了本刊1998年第3期刊出的《也谈棒下落的加速度》一文很受启发,其实此问题还有一个更巧妙的简单解法。
The author read the article “The acceleration of the whereabouts of the stick” published in the 3rd issue of the magazine in 1998. In fact, there is a more ingenious and simple solution to this problem.