multi-stage cluster random sampling

常見例句

雙語例句

• 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(jī)抽樣方法進(jìn)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(jī)抽樣的方法抽取翠屏區(qū)18歲以上常住居民3000人進(jìn)行詢問調(diào)查、體格檢查及血液生化指標(biāo)的測定。
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