stratified multi-stage cluster sampling中文，stratified multi-stage cluster sampling的意思，stratified multi-stage cluster sampling翻译及用法

2026-04-14 10:14 浏览次数 21

stratified multi-stage cluster sampling

分层多级整群抽样

stratified multi-stage cluster sampling 例句

英汉例句

  • Methods Cohort studies were conducted using stratified multi-stage cluster sampling design. Cohort was followed up 3 times by face to face questionnaire survey.

    方法采用分层多阶段整群抽样的方法建立研究队列，以面对面问卷调查的方式进行3次随访调查。

  • Methods Subjects were collected from community population by stratified multi-stage cluster sampling method. The data gathered from case investigation and serological detection.

    方法对社区人群采用多阶段分层整群随机抽样方法抽取研究对象，进行个案调查和血清学检测。

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