[计] 平均偏差, 平均偏移
[化] 平均偏差

词型变化：名词复数形式 : mean deviations

mean deviation的用法和样例：

例句

Thus, requirements should, ideally, be expressed in terms of a mean and standard deviation.因此，表达需求量的理想术语应该是平均离差和标准离差。

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