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

• 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。
• The three data processing results were compared, which were traditional weighted data-fusion algorithm, adaptive weighted data-fusion algorithm and simple arithmetic mean processing.
  并分别对普通的加权融合算法、自适应加权融合算法和传统的算术平均值法对数据进行处理结果进行了比较，依此对实验方案和参数进行改进提高。
• 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。
• 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；
• 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。
• 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。
• 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。
• Standard deviation of weighted arithmetic mean
  加权算术平均值的标准（偏）差
• One should therefore take the arithmetic mean as the sum.
  必须取算术平均作为和。
• 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。