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).
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.
介绍了统计过程控制原理，推导了均值极差控制图进行结构连 续损伤识别的过程；
The principle of statistical process control is introduced and the damage identification process using Xbar-R chart is derived.
介绍了统计过程控制原理，推导了均值极差控制图进行结构连 续损伤识别的过程；
The principle of statistical process control is introduced and the damage identification process using Xbar-R chart is derived.
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