There are various quantities which need to be computed repeatedly in the analysis, and these are based on normal distribution functions.
一些变量在分析中必须一遍遍的计算，这些都建立在正态分布的基础上。
For products without historical data, this paper gives the minimum decision values based on normal distribution law and practical experience.
对没有历史资料的产品开发的决策，本文按正态分布规律并结合实践也给出了可开发的最低决策值。
Controlcharts of Zero-Nonconformity Production based on normal distribution are established in the paper, which makes up thedeficiency of the Shewhart control chart.
本文建立了基于正态分布的零不合格品质量控制图，弥补了传统休哈特质量控制图的不足。
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