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本文首先通过例子阐明坐标系在解质点运动学问题中的核心地位,其次指出一个解题的疏忽,并给出几种合理的解法和讨论;进而强调《习题解答》对于加强基本概念的理解,培养分析问题能力的重要性和必要性。
This article first illustrates the central position of the coordinate system in solving kinematics problems through examples, and then points out the negligence of a problem solving, and gives several reasonable solutions and discussions; then it emphasizes the understanding of the “exercise solutions” to strengthen the basic concepts. The importance and necessity of cultivating ability to analyze problems.