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

• 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
• Feasibility of the algorithm is verified by simulation results. Secondly, two measures for improvement the algorithm are proposed in this paper: spectral peak searching by large/ small step and arithmetic mean for spectral function.
  其次，在上述算法的基础上，提出了两种改进措施：大、小步长的谱峰搜索和谱函数求算数平均值。
• On the premise of careful phase analysis, the shallow structure and velocity distribution of layer above basement interface is obtained by applying classical methods of time section and arithmetic mean.
  在充分细致的震相分析前提下，采用经典的时间场法和算术平均法来反演，得到了天水地震区结晶基底界面以上层的浅层结构和速度分布。
• A method which uses distribution display method and data fusion method based on the arithmetic mean value and batch estimating to static data performance account of the aero engine testing is introduced. The result of calculation exactly reflects performance of engine.
  将分布图法和基于算术平均值与分批估计的数据融合方法应用到航空发动机试验稳态数据采集的性能计算中，使稳态数据更准确地反映发动机的性能。
• 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。
• One should therefore take the arithmetic mean as the sum.
  必须取算术平均作为和。
• 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。
• Standard deviation of weighted arithmetic mean
  加权算术平均值的标准（偏）差
• 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 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。