harmonic mean

基本解释

• [数] 调和平均数；[数] 调和中项

同根派生

• harmonic mean相关词

英汉例句

• 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.
  本文研究树上非齐次马氏链随机转移概率的调和平均极限性质,所得结果将非齐次马氏链上随机转移概率调和平均性质推广到树图上。
• The mean effective population size could be estimated as a harmonic means of the Ne.
  估计出平均有效种群大小，作为所有世代ne的调和平均值。
• 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.
  调和平均数,倒数平均数[统计]一种特殊的均数,求得方法是先求出有关倒数的均数,再求出这一均数的倒数。
• Discussion on Harmonic Mean and the Arithmetic Mean
  调和平均数与算术平均数的讨论
• Empirical Distribution Function of Fatigue Life Based on Harmonic Mean
  基于调和均值的疲劳寿命经验分布函数

• harmonic mean更多例句

词组短语

短语

• harmonic -mean 调和平均数;调和中项
• Maximize Harmonic -Mean 最大化调和平均数
• harmonic iterative mean 调和迭代平均值
• harmonic inverse mean curvature 调和逆平均曲率
• harmonic c mean 低平均

• harmonic mean更多词组

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剑桥字典
• harmonic mean柯林斯字典

专业释义

电子、通信与自动控制技术

• 调和平均值

  The behavior of the probability distribution function (PDF) of the harmonic mean of several independent non-negative random variables at the origin was analyzed.
  分析了若干独立非负随机变量调和平均值的概率密度函数在零点附近的变化特性。

  数学

• 调和平均值
• 调和中项
• 调和（平）均数
• 调和平均
• 调和均数

心理学

• 调和平均数