基本解釋分層隨機(jī)抽樣英漢例句雙語例句In each year of the study, 500–600 health facilities providing the BPHS were selected by stratified random sampling in 29 provinces of Afghanistan.研究過程中，每年從阿富汗的29個(gè)省份中分層隨機(jī)取樣選擇提供基礎(chǔ)系列醫(yī)療服務(wù)的500到600個(gè)醫(yī)療機(jī)構(gòu)。Methods With the method of cluster stratified random sampling, a questionnaire survey was conducted in medical and non-medical higher-educated school in Jilin city.方法采用整群分層隨機(jī)抽樣的方法，對(duì)吉林市某醫(yī)學(xué)院校及非醫(yī)學(xué)高校的在校大學(xué)生進(jìn)行問卷調(diào)查。The 460 subjects are selected from different grades and gender of four dalian universities by stratified random sampling, and screen out 406 effective questionnaires.采取分層隨機(jī)取樣方式選取大連4所大學(xué)在校生作為研討對(duì)象，抽取不同年級(jí)、性別的在校生共460名，最后篩選出有效問卷共406份。stratified random sampling更多例句詞組短語短語Stratified cluster random sampling 分層整群隨機(jī)抽樣stratified simple random sampling 分層簡(jiǎn)單隨機(jī)抽樣;簡(jiǎn)單隨機(jī)抽樣disproportionate stratified random sampling 異比分層隨機(jī)抽樣proportional stratified random sampling 分層隨機(jī)抽樣stratified random sampling method [統(tǒng)計(jì)]分層隨機(jī)抽樣法stratified random sampling更多詞組專業(yè)釋義農(nóng)業(yè)科學(xué)分層隨機(jī)抽樣計(jì)算機(jī)科學(xué)技術(shù)分層隨機(jī)采樣生物學(xué)分層隨機(jī)抽樣法分層隨機(jī)抽樣