This paper introduces the condition of general motors, knowledge of lose and efficiency, and concerned test standard.

介绍了通用电动机的现状和损耗与效率的基本知识，以及相关的效率测试标准。

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Engine air-conditioning system is used to establish a standard air condition environment for engine test.

发动机进气调节系统是为发动机的测试建立一个标准的大气状况环境。

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According to the conditions of ageing test within endurance test, the expected operation life of a high-voltage shunt capacitor which operates under the standard condition is estimated.

根据耐久性试验中老化试验的条件，估算了一台合格的高压并联电容器在标准和技术条件规定的条件下运行时，其预期的使用寿命。

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