“质心运动定理”的概念、定义、翻译、参考文献-科学参考

单词	质心运动定理
释义	质心运动定理 Encyclopedia 理学力释 motion theorem of mass centers质心运动定理建立质点系质心的运动与质点系受力之间关系的定理。理学﹝质点系动力学﹞释 theorem of motion of centre of mass质心运动定理动力学普遍定理之一，可表述为：质点系的质心运动和一个位于质心的质点的运动相同，该质点的质量等于质点系的总质量，而该质点上的作用力则等于作用于质点系上的所有外力平行地移到这一点上。
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