The X-R Chart is used to be an example to show the set-up process and the daily application issues of the Control Chart.
并以X-R图为例，介绍了控制图的建立流程及其日常应用中应注意的问题。
To introduce the control principle of X-R control chart, and use the principle to control the temperature of coal gas heating furnace.
介绍X - R控制图的基本控制原理，并运用该原理对煤气加热炉的温度进行控制。
A kind of optimized arithmetic of weighted control chart was presented which could incarnate the variety of the smaller warp, an example was given to compare the X-R control chart.
提出了一种加权控制图的优化算法，这种算法能够反映较小偏差的变化，并以X - R控制图为例加以比较。
A kind of optimized arithmetic of weighted control chart was presented which could incarnate the variety of the smaller warp, an example was given to compare the X-R control chart.
提出了一种加权控制图的优化算法，这种算法能够反映较小偏差的变化，并以X - R控制图为例加以比较。
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