control limits造句

1、Calculating upper control limits for exposure point concentration of formaldehyde content in textiles by non-parametric method

2、The system includes configuration environment and operation environment. The PCA model is built and verified and the statistic variable control limits are determined in the configuration environment.

3、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.