查询词典 cluster sampling

Methods The study was performed by systematic and cluster sampling and questionnaire.

采用系统整群抽样的方法，以填写调查表的形式进行问卷调查。

Methods With stratified cluster sampling method,2 519 students were questionnaired in Anhui province.

采用分层整群抽样方法，对安徽省2519名中小学生进行问卷调查。

Methods Stratified cluster sampling was used to investigate villagers with questionnaire.

采用分层整群随机抽样方法，对家中有流动人口的村民进行调查。

Methods : A questionnaire survey was conducted among 411 medical staff in 15 departments by stratified cluster sampling.

采用分层随机整群抽样方法，对我院15个部门中的411在职医务人员进行问卷调查。

Methods｜ 10 106 children under 5 years old were selected by cluster sampling.

方法按照分层整群抽样的方法，抽取5岁以下儿童共10 106人，进行营养知识问卷，测量身高、体重。

Methods The cluster sampling method was used to select students and the investigations were carried out through uniform questionnaires.

采用整群抽样的方法，使用统一的调查表，每年对辖区内高中学生的艾滋病知识知晓情况进行调查。

Methods A cross-sectional study was conducted on 1 870 medical college students who were sampled by cluster sampling method.

采用整群抽样方法，对安徽医科大学1 870名大学生进行现况调查。

Methods:Baseline survey was done for 540 children aged 4~5 years with cluster sampling.

使用整群抽样的方法对4～5岁540名儿童进行基线调查后，对整个社区的儿童分完全干预和有限干预两组进行了心理干预，并调查干预1年后的效果。

To interview1483 residents of 15 years and above by the way of stratified and cluster sampling.

通过分层整群抽样访谈调查了黑水县15岁以上居民1483人。

Methods questionnaire survey of 3 500 college students by random cluster sampling.

采用整群抽样抽取3 500名学生，对调查对象进行疾病诊断及影响因素问卷调查。

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务，乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐，因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。