cluster sampling

English	Chinese
cluster random sampling	分群抽样法
cluster sampling	密集样本
cluster sampling	成群取样
cluster sampling	成串采样
cluster sampling	群组抽样
cluster sampling	群体抽样
cluster sampling	分组抽样
cluster sampling	成群抽样
cluster sampling	整群取样
cluster sampling	丛块取样
cluster sampling	属性取样
stratified cluster sampling	分层集合体抽样
stratified multistage cluster sampling	分层多级整群抽样
stratified one-stage cluster sampling	分层单级整群抽样
stratified single-stage cluster sampling	分层单级整群抽样