harmonic mean

基本解釋

• [數(shù)] 調和平均數(shù)；[數(shù)] 調和中項

同根派生

• harmonic mean相關詞

英漢例句

• In this paper,we study a limit property of the harmonic mean of random transition probability for a nonhomogeneous Markov chain indexed by a tree.
  本文研究樹上非齊次馬氏鏈隨機轉移概率的調和平均極限性質,所得結果將非齊次馬氏鏈上隨機轉移概率調和平均性質推廣到樹圖上。
• The mean effective population size could be estimated as a harmonic means of the Ne.
  估計出平均有傚種群大小，作爲所有世代ne的調和平均值。
• Harmonic mean [statistics] A special kind of mean which is determined by calculating the mean of the reciprocals of the values concerned and then calculating the reciprocal of this quantity.
  調和平均數(shù),倒數(shù)平均數(shù)[統(tǒng)計]一種特殊的均數(shù),求得方法是先求出有關倒數(shù)的均數(shù),再求出這一均數(shù)的倒數(shù)。
• Discussion on Harmonic Mean and the Arithmetic Mean
  調和平均數(shù)與算術平均數(shù)的討論
• Empirical Distribution Function of Fatigue Life Based on Harmonic Mean
  基於調和均值的疲勞壽命經(jīng)騐分佈函數(shù)

• harmonic mean更多例句

詞組短語

短語

• harmonic -mean 調和平均數(shù);調和中項
• Maximize Harmonic -Mean 最大化調和平均數(shù)
• harmonic iterative mean 調和疊代平均值
• harmonic inverse mean curvature 調和逆平均曲率
• harmonic c mean 低平均

• harmonic mean更多詞組

英英字典

柯林斯英英字典

• 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

• harmonic mean劍橋字典
• harmonic mean柯林斯字典

專業(yè)釋義

電子、通信與自動控制技術

• 調和平均值

  The behavior of the probability distribution function (PDF) of the harmonic mean of several independent non-negative random variables at the origin was analyzed.
  分析了若乾獨立非負隨機變量調和平均值的概率密度函數(shù)在零點附近的變化特性。

  數(shù)學

• 調和平均值
• 調和中項
• 調和（平）均數(shù)
• 調和平均
• 調和均數(shù)

心理學

• 調和平均數(shù)