推荐回答（2个）
cluster sampling
un.分组取样；整群抽样；群组抽样；聚类抽样
群集抽样；集群抽样；丛集抽样
例句
1.Multistage stratified cluster sampling method was used for the sampling.
采用多阶段整群分层抽样方法。
2.Estimation of proportions in cluster sampling
整群抽样的比例估计
3.Methods With cluster sampling, 943 residents were interviewed by using self-designed questionnaire.
方法采用自制调查表，按整群抽样共调查市民943人。
4.Comparison of the Ratio Estimates in Cluster Sampling and the PPS Sampling
整群比估计与PPS抽样的比较
5.MethodsUse cluster sampling method conducted a questionnaire survey to 132 nurse students who into the clinical practice 2~3 months.
方法采用整群抽样方法对132名进入临床实习2~3个月的护生进行问卷调查。
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