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本文在文献[1]的基础上提出多因素选控图,阐明其计算方法和理论依据。多因素选控图比单因素选控图更加切合实际,在现场应用有可能减少选控图的计算次数。
Based on the literature [1], this paper proposes a multi-factor selection chart to illustrate its calculation method and theoretical basis. The multi-factor selection chart is more realistic than the single-factor selection chart. It is possible to reduce the number of calculation of the selection chart in the field.