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1·Methods A cluster stratified sample of 1681 students ham Jianghan University were investigated by SDS.

方法采用分层整群抽样法抽取江汉大学1681名本科学生，采用抑郁自评量表（SDS）进行测评。

2·Methods a questionnaire survey was conducted to a clustered stratified sample of 1 785 children in Qingdao.

方法采取分层整群抽样的方法对青岛市1 785名儿童进行问卷调查。

3·Methods: a cluster random stratified sample of 394 medical college students were investigated with a SCL-90 questionnaire.

方法：采取分层整群抽样的方法抽取394名医学生进行SCL - 90症状自评量表的问卷调查。

4·Methods: Stratified random cluster sampling method was used to determine the survey sample.

方法：以分层随机整群抽样的方法，确定调查样本。

5·Methods Random sample were obtained from the whole population by multiple stratified cluster and 1 320 objects were surveyed in their own homes by questionnaires.

方法采用多阶段整群抽样和配额抽样相结合的方法，对深圳市1 320名居民进行入户问卷调查。

6·The paper presents a typical self-weighting sample design for the stratified three-stage or over sampling.

本文提出了分层三阶段及以上抽样的自加权抽样设计方法。

7·This research adopts investigation methods of stratified sampling and cluster sampling, chooses 95 community health service organizations in 14 cities of Liaoning Province as a analysis sample.

采取分层整群抽样的调查方法，选取辽宁省14个市95家社区卫生服务机构作为分析样本。

8·Define and apply techniques for assuring data accuracy and integrity such as random sampling, stratified sampling, sample homogeneity, etc.

定义和应用确保数据准确和完整的技巧，如随机抽样法、分层抽样法、样本同质性等。

9·As the sampling survey is stratified sampling, so the research of the sample rotation is under the stratified sampling.

由于该抽样调查采取的是分层抽样，因此相应地用分层抽样下的样本轮换研究。

10·Sample papers on data flow, including density-based sampling, stratified sampling and other dynamic.

关于数据流抽样的论文， 包括基于密度的抽样，动态分层抽样等。