The essay narrates briefly the traditional definition and the unreasonableness of process capability index, and the source is that the definition of shift coefficient has defect.
本文简述工序能力指数的传统定义及其不合理性，其根源是偏移系数的定义有缺陷。
The essay narrates briefly the traditional definition and the unreasonableness of process capability index, and the source is that the definition of shift coefficient has defect.
本文简述工序能力指数的传统定义及其不合理性，其根源是偏移系数的定义有缺陷。
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