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

• The computation of grid centroid uses weighted mean instead of arithmetic mean. Consequently, the position of grid centroid can represent the space distribution of data points indirectly. Moreover, the incremental updating of the centroid saves a lot of time and space.
  网格质心的计算采用加权平均值而非算术平均值，因此质心的位置能够间接反应网格中数据点的分布情况，质心的增量式更新为算法节约了大量的时间和空间。
• The way incomes are distributed means most live below the arithmetic mean – and further below in countries, such as the Brics, where inequality is greater.
  收入的分配方式决定了大部分人的收入低于算术平均值，而在收入分配更加不公的国家，比如金砖四国，普通人的收入与平均值的差距更大。
• One should therefore take the arithmetic mean as the sum.
  必须取算术平均作为和。
• Consequently, it introduces the method of evaluating the representativeness of arithmetic mean by arithmetic mean quota with analysis made on the application scope of the judging axiom.
  进而分析了通过平均指标衡量算术平均数代表性的方法，并就判别定理适用范围进行了分析。
• 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。
• 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。
• Application of Information Entropy Principle to Uncertainty Calculation of the Arithmetic Mean Deviation of Surface Roughness
  信息熵原理在表面粗糙度Ra不确定度计算中的应用
• 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。
• Evaluation and Analysis to the Representativeness of Arithmetic Mean Quota
  算术平均指标代表性的评价分析
• Use median and arithmetic mean filters to do removal of the pulse and random disturbances.
  采用中值和算术平均值滤波去除脉冲干扰和随机干扰。