过去也曾经有过日圆和日经指数偏离一段时间，然后其关系又恢复。
There have been other periods where the yen and Nikkei will diverge for a period of time and then come back together.
同时用局部偏离指数指示离群点的偏离程度，又具有识别精度高和偏离程度可度量的优点。
The algorithm can indicate the degree of outlier with the local deviate factor, so the outlier can be identified exactly and the precision is measurable.
Cpm是一个总体的能力指数，定义了均值偏离目标值的均方差的平方根和规范宽度的之间的比值。
Cpm is an overall capability index defined as the ratio of the specification spread (USL - LSL) to the square root of the mean squared deviation from the target.
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