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物理运动状态的描述始终与所取参考系有关.选取合适的参考系,一方面有助于清晰而简洁地描述物体的运动情况;另一方面,合适的参考系也有助于简化解题过程,甚至可以突破一些在一般参考系下无法解决的物理问题.下面通过两类题型从解题策略高度谈巧取参考系的作用.
The description of the physical state of motion is always related to the reference frame taken.Selecting the appropriate reference frame helps to describe the object’s movement clearly and succinctly on the one hand and the appropriate reference frame on the other hand also helps to simplify the problem solving process, Even break some of the physical problems that can not be solved in the general frame of reference.Following the two types of questions from the height of the problem-solving strategy to take clever reference frame.