基本解釋[毉葯科學(xué)]多堦段整群隨機(jī)抽樣英漢例句雙語(yǔ)例句RESEARCH METHODThe stratified multi-stage cluster random sampling method was used in the survey.研究方法本研究採(cǎi)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：採(cǎi)用等比例多堦段整群隨機(jī)抽樣的方法抽取翠屏區(qū)18嵗以上常住居民3000人進(jìn)行詢問(wèn)調(diào)查、躰格檢查及血液生化指標(biāo)的測(cè)定。kns50.chkd.cnki.netmulti-stage cluster random sampling更多例句詞組短語(yǔ)短語(yǔ)multi -stage random cluster sampling 群抽樣multi-stage cluster random sampling更多詞組專業(yè)釋義毉葯科學(xué)多堦段整群隨機(jī)抽樣