principle of mechanical equivalence
principle of mechanical equivalence
力学等效原理
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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Based on finite element analysis and the principle of mechanical equivalence, the supporting structures for the hydrogen and oxygen turbine pumps of a rocket engine were analyzed.
在对某火箭发动机氢、氧涡轮泵支撑结构进行有限元分析的同时，对该结构进行了力学理论探讨。
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