cluster random sampling

常見(jiàn)例句

A survey was conducted among 701 freshmen in one college by cluster random sampling.
採(cǎi)用整群隨機(jī)抽樣方法，在某大學(xué)抽取701名大學(xué)生作爲(wèi)調(diào)查對(duì)象。
Methods Cluster random sampling method was employed in this survey, then 2000 families amounting of 7218 people were selected.
方法採(cǎi)用整群隨機(jī)抽樣方法，抽取城鄕居民2000戶(hù)，共計(jì)7218人。
www.cmed.org.cn
Methods According with the methods of the forth epidemiologic sampling survey for tuberculosis in our country, the method of stratified cluster random sampling was use in this survey .
方法根據(jù)全國(guó)第四次結(jié)核病流行病學(xué)抽樣調(diào)查方案，採(cǎi)用分層整群隨機(jī)抽樣方法抽取調(diào)查點(diǎn)，然後根據(jù)調(diào)查結(jié)果進(jìn)行分析。