... sample size loss 试样量损耗 sample size requirements 样本容量要求 sample skein winder 缕纱测长机 ...
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找出了样本容量与测试精度要求及统计特征值的关系。
And the relationship between the sample content, and the measurement accuracy requirement and characteristic value is found out.
要使用控制图就要求工程师或分析员为控制图选择样本容量、抽样频率(抽样时间隔或抽样区间)和控制限。
The use of a control chart requires that the engineer or analyst select a sample size, a sampling frequency or interval between samples, and the control limits for chart.
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