基本解釋[醫(yī)藥科學(xué)]多階段整群隨機抽樣英漢例句雙語例句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。kns50.chkd.cnki.netmulti-stage cluster random sampling更多例句詞組短語短語multi -stage random cluster sampling 群抽樣multi-stage cluster random sampling更多詞組專業(yè)釋義醫(yī)藥科學(xué)多階段整群隨機抽樣