查询词典 sampling

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。

Methods The stratified cluster sampling was used to research 395 college students of Huangshan college by questionnaires.

采用分层整群抽样方法对安徽黄山学院395名大学生进行网络行为问卷调查。

Methods: The survey were designed by stratified cluster sampling.

方法采取分层整群抽样的方法。

Methods Questionnaire survey was conducted with stratified cluster sampling.

方法采用分层整群抽样的方法，进行无记名问卷调查。

Methods:Random cluster sampling method was used.2 763 subjects were studied with a self-reported questionnaire.

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 With stratified cluster sampling method,1?

采取分层随机抽样方法，对沈阳市2所大学1？

Methods By cluster random sampling method,a total of 21 kindergarten children in Meizhou were taken.

方法采用整群随机抽样的方法，抽取梅州市21所幼儿园的全部在园儿童，采用自拟问卷和克氏行为量表进行调查和评定。

Don not attempt to do something which you can not to do.

不要企图做那些办不到的事情。

The expression of CTGF and TNF-αweredetected by immunochemistry and the number of Clara Cells was calculated.

光镜下观察肺组织的病理变化，采用免疫组化染色观察肺组织中结缔组织生长因子和肿瘤坏死因子-α的表达和Clara细胞的数量。