名词
中文翻译：谐和平均数指数
同义词：
['harmonic mean', 'harmonic mean index例句：1. The harmonic average index of the stock market has been increasing steadily.（股市的谐和平均数指数一直在稳步上升。）2. The harmonic average index is used to measure the efficiency of a production process.（谐和平均数指数用于衡量生产过程的效率。）3. The harmonic average index is calculated by taking the average of all the numbers in a set.（谐和平均数指数是通过将所有数字的平均数来计算得出的。）']
例句：
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1. The harmonic average index of the stock market has been increasing steadily.
股市的谐和平均数指数一直在稳步上升。
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2. The harmonic average index is used to measure the efficiency of a production process.
谐和平均数指数用于衡量生产过程的效率。
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3. The harmonic average index is calculated by taking the average of all the numbers in a set.
谐和平均数指数是通过将所有数字的平均数来计算得出的。