【摘要】 工序能力不一定是越高越好．提高工序能力有时意味着增加成本，故应作经济分析。本文提出了一种经济分析的方法．更多还原

【Abstract】 It is not necessary that the higher, the process capability is the better.To heighten process capability sometimes means an increase of costs, so one should make economic analysis.This paper presents the method of the economic analysis.更多还原