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我们都知道正确理解物理概念是学好物理的关键。学生们在分析物理现象或处理物理问题时,常常出现错误的判断或者束手无策,究其原因,重要的一
We all know that the correct understanding of physical concepts is the key to learning physics. When students analyze physical phenomena or deal with physics problems, they often make mistaken judgments or helpless people. The reasons are important.