harmonic mean

基本解釋

• [數(shù)] 調(diào)和平均數(shù)；[數(shù)] 調(diào)和中項

同根派生

• harmonic mean相關(guān)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(zhuǎn)移概率的調(diào)和平均極限性質(zhì),所得結(jié)果將非齊次馬氏鏈上隨機轉(zhuǎn)移概率調(diào)和平均性質(zhì)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(diào)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(diào)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(guān)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(diào)和平均數(shù)與算術(shù)平均數(shù)的討論
• Empirical Distribution Function of Fatigue Life Based on Harmonic Mean
  基於調(diào)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(diào)和平均數(shù);調(diào)和中項
• Maximize Harmonic -Mean 最大化調(diào)和平均數(shù)
• harmonic iterative mean 調(diào)和疊代平均值
• harmonic inverse mean curvature 調(diào)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(shù)

• 調(diào)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(diào)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(diào)和平均值
• 調(diào)和中項
• 調(diào)和（平）均數(shù)
• 調(diào)和平均
• 調(diào)和均數(shù)

心理學

• 調(diào)和平均數(shù)