stratified random sampling method 分层随机抽样法 stratified cluster sampling 采分层集束抽样 ; 分层整群抽样 ; 抽样法 ; 整群分层抽样 ..
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adopting stratified random sampling method 采用分层随机抽样方法
Method Using stratified random sampling method.
方法采用分层随机抽样方法。
Method Some food processing employees were selected according to stratified random sampling method, and filled in a unified questionnaire anonymously.
方法按照分层随机抽样原则随机抽取部分食品从业人员，匿名独自填写统一的调查问卷。
Methods By using stratified random sampling method 524 college students were selected and surveyed with scales about sense of alienation and subjective well-being.
方法分层随机抽取某高校524名大学生，采用疏离感和主观幸福感量表进行施测。
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