RP3 on sampling signal panel is secondary sampling signal adjusted potentiometer.
取样信号板上rp3为二次电流取样讯号调整电位器。
Methods Stratified cluster sampling was carried out to investigate 312 male physical education teachers aged over 35 years old in 160 primary and secondary schools in Jiaodong peninsula.
方法采用分层整群抽样方法，对胶东半岛160所中小学35岁以上的男性体育教师312人进行问卷调查。
METHODS Survey of secondary water supply facilities and sanitation management status in community, sampling collected 256 water samples were sent to laboratory testing.
方法对物业小区内二次供水设施的基本情况和卫生管理现状进行调查，抽检采集水样256份送实验室检测。
Using self-reported questionnaire and sampling to investigate 1 408 secondary school students in urban area in Beijing.
采取自我报告式问卷，以整群抽样的方法对北京市某城区1 408名初高中学生进行调查。
Methods Using cluster sampling, the study was conducted in a secondary technical school in Hefei, and the available questionnaire were analysed.
方法采用整群抽样的方法在合肥市某中专学校进行问卷调查，并对有效问卷进行统计分析。
Methods using cluster sampling , the study was conducted in a secondary technical school in hefei , and the available questionnaire were analysed.
方法采用整群抽样的方法在合肥市某中专学校进行问卷调查，并对有效问卷进行统计分析。
Whole quality control with raw material control as the main method and sampling test the secondary one is the quality control measure;
以原材料控制为主，抽样试验检查为辅助的全过程质量控制方法，是质量控制的手段；
Perform the sampling and analysis of secondary packaging materials. Perform the sampling of primary packaging materials.
完成外包装材料和内包装材料的取样和外包装材料的测试。
Perform the sampling and analysis of secondary packaging materials. Perform the sampling of primary packaging materials.
完成外包装材料和内包装材料的取样和外包装材料的测试。
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