sample n. 1.樣品,貨樣。 2.標(biāo)本;榜樣,實(shí)例。 3.【統(tǒng)計】典型取樣,抽檢查。 4.【電訊】信號瞬時值。 5.【冶金】 〔 pl. 〕 鋅華。 That is a fair sample of his manners. 那就是他的典型態(tài)度。 a light sample 光脈沖。 up to sample 1. 和樣品一樣[相符]。 2. 可以接受的,可以同意的。 vt. 從…取樣,從…抽樣;提供;貨樣;對…進(jìn)行抽樣檢查。
Methods a cluster sample of 499 children was randomly chosen from 6 primary schools in chongqing 方法采用隨機(jī)整群抽樣,對重慶市城區(qū)6所小學(xué)在讀流動兒童449名進(jìn)行問卷調(diào)查。
This paper discusses cluster sampling and stratified cluster sampling in continuous surveys with censuses 摘要本文討論了連續(xù)調(diào)查中應(yīng)用普查方法時的整群抽樣和分層整群抽樣。
Methods : random cluster sampling method was used . 2763 subjects were studied with a self - reported questionnaire 方法:采用整群隨機(jī)抽樣方法,對2763名學(xué)生通過自填問卷的方式進(jìn)行了調(diào)查。
Methods cluster sampling method was adopted in this study , and epidemiology characters of emergency injuries in shenzhen city were analyzed 方法采用抽樣方法調(diào)查本市急救中心2001年7月至2002年6月急診傷害就診情況。
Methods using cluster sampling , the study was conducted in a secondary technical school in hefei , and the available questionnaire were analysed 方法采用整群抽樣的方法在合肥市某中專學(xué)校進(jìn)行問卷調(diào)查,并對有效問卷進(jìn)行統(tǒng)計分析。
Methods : cluster sampling was introduced and the usage of antibiotics was investigated retrospectively from jan 2004 to dec 2006 方法:采用整群抽樣的方法,回顧性地調(diào)查本院2004年1月2006年12月婦產(chǎn)科住院患者抗菌藥物的使用情況。
Methods 1 078 eligible subjects from different economic areas were selected by stratified cluster sampling in wuhan city and yichang country 方法采用分層整群抽樣的方法分別選取武漢市城區(qū)、宜昌市農(nóng)村經(jīng)濟(jì)水平不同的社區(qū)進(jìn)行人戶調(diào)查。
Methods by using the cluster sampling method , a sample of 518 students drawn from 4 high schools in chuzhou , then a questionnaire survey was conducted among them 方法采取整群抽樣方法對滁州市4所高中三年級畢業(yè)班學(xué)生518名進(jìn)行問卷調(diào)查。
Methods descriptive analysis was conducted among 818 medicos , who were sampled by stratified cluster sampling , and the model was established 方法采用分層整群抽樣的方法,對某醫(yī)科大學(xué)818名醫(yī)學(xué)生心理健康狀況的一般情況進(jìn)行描述性分析,并擬合結(jié)構(gòu)方程模型。