“mechanical efficiency”的概念、定义、翻译、参考文献-科学参考

单词	mechanical efficiency
释义	mechanical efficiency Encyclopedia 工学机械动力学释 mechanical efficiency机械效率机械在稳定运转时，一个循环内的输出与输入功之比。理学﹝质点系动力学﹞释 mechanical efficiency机械效率机械的输出功（有用功量）与输入功（动力功量）的百分比。
随便看	urban functional urban function and type of urban function in China urban function developed in parallel urban furniture urban gas source urban gas supply firm urban gas supply system urban gas transmission and distribution system urban geoenvironment assessment urban geoenvironment monitoring urban geographical information system urban geographical theories of Chinaurban geographical theories of China urban geological hazard chain urban geological information platform urban geological problems urban geological resources urban geological survey urban geomorphology urban governance urban greening urban green line urban greenspace urban green space index urban green space layout urban green space structure layout

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