提出了席位公平分配的最小极差法及其数学规划模型，比较分析了多种不同席位分配方法，并提出了非完全分配的概念及其数学模型。
This paper presents the method of minimum difference of poles on fair allocation of seats and its mathematical programming model, and analyses several methods of allocation of seats number.
检具需在安装产品后用三坐标进行重复性、再现性研究，重复性再现性R&R须符合QS9000/MSA测量系统分析（均值和极差法）第三版标准。
The checking fixture must be measured on CMM after installing IP ASM. part. The R&R% should conform to the standard of QS9000/MSA v3.0(the average and range method).
模糊聚类法通过数据标准化，平移及极差变换、确定最佳阙值和求解动态聚类图。
The law of fuzzy clustering confirms the best threshold and determines the dynamic clustering figure by data's standardization, shift and range transform.
通过正交设计及极差分析法确定了最佳工艺条件。
The optimum technological conditions were determined by orthogonal test and extreme difference analysis.
本文结合实际介绍一种SPC控制图方法，即均值—移动极差控制图法，以控制磷化参数。
This text combines practice to introduce a kind of SPC control diagram method, that is mean value—ambulation difference control diagram method, to control phosphating parameters.
通过正交设计及极差分析法确定了最佳工艺条件，产品收率达80%以上，纯度可达94%。
The optimum technological conditions were determined by orthogonal test and extreme difference analysis. The yield of product reaches over 80%, and the purity is up to 94%.
在“S”法的基础上，利用样本平均极差R代替“S”法中的样本标准差S ，从而得到了“R”法，并且给出了相应的样本大小，及各种情况下的接收标准。
By using the sample mean range( R )instead of standard deviation of the sample( S )in"S " method, the"R " method is obtained in this paper.
本文结合实际介绍一种SPC控制图方法，即均值—移动极差控制图法，以控制磷化参数。
This text combines practice to introduce a kind of SPC control diagram method, that is mean value-ambulation difference control diagram method, to control phosphating parameters.
本文结合实际介绍一种SPC控制图方法，即均值—移动极差控制图法，以控制磷化参数。
This text combines practice to introduce a kind of SPC control diagram method, that is mean value-ambulation difference control diagram method, to control phosphating parameters.
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