单词：reacting force
reacting force的用法和样例：
例句
- One body never exerts a force upon another without the second reacting against the first.一个物体对另一个物体施加作用力必然会受到这另一物体的反作用力。
- The electromagnetic mass is another effect of the time rate of change of radiant reacting force.电磁质量是辐射反作用力变率的另一作用效果。
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