名词
中文翻译：效率系数
同义词：
['efficiency coefficient', 'efficiency factor例句：1. The new design has a coefficient of efficiency that is 20% higher than the old one.（新设计的效率系数比旧的高出20%。）']
例句：
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1. The new design has a coefficient of efficiency that is 20% higher than the old one.
新设计的效率系数比旧的高出20%。
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2.The company's efficiency coefficient was calculated based on its annual output.
该公司的效率系数是根据其年产量计算得出的。
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3. The coefficient of efficiency is used to measure how much work can be done in a given time frame.
效率系数用于衡量在给定时间内可以完成的工作量。