APL (average product length) is proposed as the criterion for measuring control chart performance to study the optimal design of skewed control chart.
以平均产品长度(APL)为评价控制图性能的标准，研究了偏态控制图的优化设计问题。
This paper presents two methods of optimal levelling network design based on criterion matrix and linear programming of required precision.
本文介绍了根据准则矩阵和根据所需精度要求的线性规划法水准网优化设计的两种方法。
This paper gives the sensibility criterion for second class design of a monitoring network, and the corresponding optimal design model.
本文给出了监测网二类设计的灵敏度准则，构造了相应的优化设计模型。
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