“principle of virtual displacements”的概念、定义、翻译、参考文献-科学参考

单词	principle of virtual displacements
释义	principle of virtual displacements Encyclopedia 理学变分原理和方法释 principle of virtual displacements虚位移原理分析静力学的原理。可叙述为：外力在可能位移上做的虚功等于外力所引起的可能应力在对应的可能应变上所做的虚功。 Mathematics principle of virtual displacements虚位移原理
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