harmonic-mean

英[hɑː'mɒnɪkm'iːn] 美[hɑː'mɒnɪkm'iːn]
  • 调和平均数
  • design n.设计;图样;图案;目的v.设计;计划
  • harmonic adj.调和的;音乐般的;和声的n.和音;调波[计算机]调和的.
名词 harmonic mean:
  1. the mean of n numbers expressed as the reciprocal of the arithmetic mean of the reciprocals of the numbers