multi-stage cluster random sampling
常見例句
- RESEARCH METHODThe stratified multi-stage cluster random sampling method was used in the survey.
研究方法本研究采用分層整群隨機抽樣方法進行抽樣。 - Methods Stratified multi-stage cluster random sampling method was used to select 3000 participants from the residents who were above 18 years living in Cuiping district.
方法:采用等比例多階段整群隨機抽樣的方法抽取翠屏區(qū)18歲以上常住居民3000人進行詢問調(diào)查、體格檢查及血液生化指標的測定。
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