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。
The general arrangement, performances and structural characteristics of the plateau railway car for Qinghai-Tibet Railway are presented. Meanwhile, the test and operating condition are described.
介绍了为青藏铁路研制的高原轨道车总体布置、性能及结构特点，并对试验和运用情况进行了总结。
The test results are credible because that the spatial distributions of multiple information got from the representative working condition accord with the general rule.
代表性工况多元信息的空间分布情况符合一般规律，这说明试验采集的结果是可靠的。
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