“virtual displacement”的概念、定义、翻译、参考文献-科学参考

　

单词	virtual displacement
释义	virtual displacement Encyclopedia 理学分析力学释 virtual displacement虚位移在给定瞬时，质点系中各质点所作的、为约束所允许的、假想的无限小位移。以表示，式中为质点的个数；为变分符号。理学拉格朗日力学释 virtual displacement虚位移在给定的固定时刻为加在系统点上的约束所允许的所有假想的无限小位移。 Physics 力学 virtual displacement虚位移 virtual displacement虚位移^† Mathematics virtual displacement虚位移 Astronomy virtual displacement虚位移
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