cluster random sampling
短语词组
- cluster systematic random sampling method 束系統隨機抽樣方法
- Stratified cluster random sampling 分層整群隨機抽樣
- cluster random sampling method 整群隨機抽樣方法
- multi -stage random cluster sampling 群抽樣
- random cluster sampling 整群抽樣
- stratified random cluster sampling 群分層隨機抽樣
- random and cluster sampling 隨機整群抽樣 返回 cluster random sampling