返回一组数据点到其均值的绝对偏差的平均值。参数可以是数字或名称，数组或包含数字的引用。
Returns the average of the absolute deviations of data points from their mean. Arguments can be Numbers or names, arrays, or references that contain Numbers.
对参数设计中序贯淘汰水平法(SEL)和绝对偏差法进行了研究和改进，提出了以SEL法与绝对偏差法结合为基础的自动变间隔迭代搜索法。
The SEL and the absolute bias approach for parameter design are studied and improved, on the basis of which the variable compartment iteration searching method is advanced in this paper.
对参数设计中序贯淘汰水平法(SEL)和绝对偏差法进行了研究和改进，提出了以SEL法与绝对偏差法结合为基础的自动变间隔迭代搜索法。
The SEL and the absolute bias approach for parameter design are studied and improved, on the basis of which the variable compartment iteration searching method is advanced in this paper.
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