| 单词 | harmonic mean |
| 释义 | harmonic meannoun Statistics.the mean obtained by taking the reciprocal of the arithmetic mean of the reciprocals of a set of nonzero numbers. Origin of harmonic meanFirst recorded in 1880–85 Words nearby harmonic meanharmonica, harmonic analysis, harmonic conjugates, harmonic distortion, harmonic interval, harmonic mean, harmonic minor scale, harmonic motion, harmonicon, harmonic oscillator, harmonic progression Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 British Dictionary definitions for harmonic meanharmonic mean nounthe reciprocal of the arithmetic mean of the reciprocals of a set of specified numbers: the harmonic mean of 2, 3, and 4 is 3(1/2 + 1/3 + 1/4) –1 = 3 6/13 Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 Medical definitions for harmonic meanharmonic mean [ här-mŏn′ĭk ] n.The reciprocal of the arithmetic mean of the reciprocals of a specified set of numbers. The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company. Scientific definitions for harmonic meanharmonic mean The reciprocal of the arithmetic mean of the reciprocals of a specified set of numbers. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. |
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