arithmetic mean

英 [ˌærɪθmetɪk ˈmiːn]

美 [ˌærɪθmetɪk ˈmiːn]

算术平均数；算术（等差）中项；均数

计算机化学

英英释义

noun

• the sum of the values of a random variable divided by the number of values
  Synonym:first momentexpectationexpected value

双语例句

• Arithmetic Mean Method and Weighting Mean Method of Digital Filter
  数字滤波的算术平均法和加权平均法
• The main content goes as follows: ( 1) The forecast of water consumption: according to the optimization theory of combination weight coefficient, the author combines BP neural network method and mobile arithmetic mean method, and makes the mixed forecast model.
  主要内容有：（1）用水量预测：运用组合权系数优化理论，将BP神经网络法和移动算术平均法组合，建立组合预测模型。
• The methods of combine arithmetic mean with the area weighting average are adopted when calculation of amount of precipitation and the evaporation capacity.
  具体计算时，降水量、蒸发量主要采用了算术平均与面积加权平均计算相结合的方法；
• This system can automatically calculate and display as well as print the arithmetic mean deviation of test-pieces measured.
  本系统可自动计算、显示并打印被测试件的平均算术偏差Ra数值。
• In fact, there are some very old books that show this as the average, the sum divided by two arithmetic mean, but the modern practice is to use the geometric mean.
  事实上，一些很老的书籍上，平均的定义就是算数意义的，总的来说被分为两种算数意义，但现代我们多用几何意义。
• Returns the harmonic mean of a data set of positive numbers: the reciprocal of the arithmetic mean of reciprocals In principle, weights should be 1/ ( s. e.) 2.
  返回一组正数的调和平均数：所有参数倒数均值的倒数原则上，权应该是标准误差平方的倒数。
• First of all, according to the established network consumption measurement indicator system to collect relevant data by dimensionless arithmetic mean method, the weighted average method of treating the resulting data and, ultimately, a comprehensive measure indicators.
  首先根据建立起来的网络信息消费测度指标体系搜集相关数据，通过无量纲化、算术平均法、加权平均法的方法处理所得数据，最终获得综合测度指标。
• A HIGH-PRECISION IMAGE PROCESSING Algorithm Based on Arithmetic Mean of Gray-value and Bilinear Interpolation
  基于灰度期望值和二值化高精度图像处理算法
• This paper proves that this formula is equivalent to the arithmetic mean formula, and extends the result. This is a simple example of the equipartition theorem at work.
  文章通过分析，论证了此公式等价于简单的算术平均公式，并对此结果进行了推广。这就是均分定理应用的一个简单例子。
• Evaluation and Analysis to the Representativeness of Arithmetic Mean Quota
  算术平均指标代表性的评价分析