整群随机抽样的英文
cluster random sampling
random sampling
例句与用法
更多例句： 下一页- Methods : random cluster sampling method was used . 2763 subjects were studied with a self - reported questionnaire
方法：采用整群随机抽样方法，对2763名学生通过自填问卷的方式进行了调查。 - Methods a multi - stage stratified measure was carried out to select 6 597 families from eleven counties ( cities ) in hubei province in 2003
方法利用第3次国家卫生服务调查问卷，采用多阶段分层整群随机抽样方法，对全省11个县市（区） 6597个样本住户的家庭成员进行入户问卷调查。 - In order to study the awareness , treatment and control rates andthe risk factors of hypertension in qingdao rural residents , a cluster random sampling method was used
为了调查青岛农村居民高血压的患病率、知晓率、服药率、控制率及其影响因素，采用整群随机抽样法，对7个村的18岁以上居民进行血压测量及相关因素调查。 - Methods a self - administered questionnaire was delivered to local residents in order to get information on the responsiveness of clinic patients . 4 communities , 202 local residents were recruited by cluster - randomized sampling
方法采用整群随机抽样的方法抽4个社区，对一年内有住院经历的加2名病人由调查员询问并填写调查表。 - Methods one thousand six hundred and sixteen children in school under 16 years old that were sampled in cluster sampling were examined with dental fluorosis , x - ray in the type of burning coal pollution fluorosis areas of zhijin county guizhou province
方法按照整群随机抽样方法从贵州省织金县随机选择16岁以下的在校学生1616人，进行氟斑牙和x线检查。
