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当事物的发展遇到某种障碍时，可以将困难的、复杂的情况转换成容易的、简单的情况，这种思想方法在物理实验中是经常用到的。１ 观察中的转换 在演示实验中，对那些微小的、不明显的实验现象，在实验设计时，可以通过转换的思想进行处理，以达到观察要求。 在高中物理《弹力》
When the development of things encounters certain obstacles, it is possible to transform difficult and complex situations into easy and simple situations. This method of thinking is often used in physics experiments. 1 Conversion in Observation In the demonstration experiment, those tiny, inconspicuous experimental phenomena can be processed through the idea of conversion in the experimental design to meet the observation requirements. In high school physics “Elasticity”