“动量守恒”的概念、定义、翻译、参考文献-科学参考

单词	动量守恒
释义	动量守恒 Encyclopedia 理学﹝质点系动力学﹞释 conservation of momentum动量守恒不受外力作用或只受合力为零的外力系作用的质点系，它的总动量保持不变。动量守恒是自然界中的一个普遍定律，它反映质点系中各质点在相互内力作用下，彼此运动的关系。此定律无论对保守系统或是非保守系统都是适用的，因此是研究各种碰撞问题的理论基础。 Physics 力学 conservation of momentum动量守恒 momentum conservation动量守恒^† Astronomy conservation of momentum动量守恒
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