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

单词	harmonic mean
释义	WordReference Random House Unabridged Dictionary of American English © 2024 harmon′ic mean′, [Statistics.] Statisticsthe mean obtained by taking the reciprocal of the arithmetic mean of the reciprocals of a set of nonzero numbers. 1880–85 Collins Concise English Dictionary © HarperCollins Publishers:: harmonic mean n the reciprocal of the arithmetic mean of the reciprocals of a set of specified numbers: the harmonic mean of 2, 3, and 4 is 3( + + )^–1 = 3
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