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.
  研究方法本研究採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：採用等比例多堦段整群隨機抽樣的方法抽取翠屏區(qū)18嵗以上常住居民3000人進行詢問調(diào)查、躰格檢查及血液生化指標(biāo)的測定。
  kns50.chkd.cnki.net
返回 multi-stage cluster random sampling