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。
• 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
• And on this basis, the arithmetic mean law is operating through the riskiness of the project grading.
  并在此基础上通过算术平均法得到作业项目的风险度分级标准。
• 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。
• In this paper the application conditions of elliptical-marker strain analysis techniques ( R_f/ Φ) de-straining method, algebraic method proposed by Shimamoto et al., harmonic mean method, and arithmetic mean method) are thoroughly discussed by computer model method.
  本文采用计算机数学模拟的方法更深入地探讨了椭圆形标志物应变分析技术（Rf/Φ去应变法、Shimamoto等提出的代数法、调和平均值法和算术平均值法）的适用条件。
• 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。
• 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 method of progressive difference remedies a defect of the arithmetic mean
  逐差法弥补了算术平均法处理数据的不足
• The arithmetic mean of the absolute values of deviations from the mean of a distribution.
  一种概率分布的均值分布平均数与偏差绝对值的算术平均值。
• 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。