stratified cluster sampling
短语词组
- stratified multistage cluster sampling 分层多级整群抽样
- stratified random cluster sampling 群分层随机抽样
- stratified and cluster sampling 采用分层整群抽样方法
- Stratified cluster random sampling 分层整群随机抽样
- stratified cluster sampling technique 分层抽样技术
- stratified cluster sampling method 分层整群抽样方法
- stratified sampling and cluster sampling 分层整群抽样
- stratified one stage cluster sampling 分层一级整群抽样
- stratified one -stage cluster sampling 分层单级整群抽样 返回 stratified cluster sampling