名词
中文翻译：性能因子
同义词：
['performance index', 'efficiency factor例句：1. The new model car has a performance factor of 90%.（新款汽车的性能系数为90%。）']
例句：
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1. The new model car has a performance factor of 90%.
新款汽车的性能系数为90%。
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2.The company's efficiency factor is consistently high.
该公司的效率系数一直很高。
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3. The engineer calculated the performance factor for the machine.
工程师计算了机器的性能系数。