英语词汇“harmonic mean”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-现代词典

单词	harmonic mean
释义	harmonic mean noun 1. : the reciprocal of the arithmetic mean of the reciprocals of two or more quantities 2. : one of the terms between the first and last terms of a harmonic progression
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