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cluster sampling
Tradução de "cluster sampling" em chinês
整群抽样
集束抽样
Methods: To applied cluster sampling method interview all the village health workers.
方法： 采取整群抽样，对安宁市村级卫生服务提供者进行调查。
Contrast group: Other 218 undergraduates were adopted in cluster sampling, taking class as unit.
对照组： 除外观察组学生，随机在4届学生中以班为单位整群抽样218名学生。
Methods By using the cluster sampling method, a sample of 518 students drawn from 4 high schools in Chuzhou, then a questionnaire survey was conducted among them.
方法采取整群抽样方法，对滁州市4所高中三年级毕业班学生518名进行问卷调查。结果81。5%的学生使用过互联网。
Method: By stratified cluster sampling, a retrospective epidemiological survey was conducted on 145 patients who had used Nabumetone in the treatment.
方法 ：经过分层整群抽样，对145例服用萘丁荚酮的患者进行了回顾性流行病学调查。
Methods Serum uric acid (SUA) was measured among 7778 inhabitants aged over 20 years old in 2 communities in Nanjing with the method of stratified cluster sampling.
方法采用分层整群抽样的方法，对南京市两个社区7778名20岁以上的居民进行了血尿酸普查。
Cluster Sampling is a miniaturized version of the overall population.
整群抽样的是整体人口小型化版本。
What is it: Cluster Sampling is a simple random of groups, or clusters, of the population.
它是什么： 整群抽样是一个群体，简单随机或集群的人口。
Why use it: Cluster Sampling if used properly, can be a very cost effective way of collecting a random sample from the population.
为什么使用它： 整群抽样，如果使用得当，可以是一个非常成本收集人口随机抽样的有效途径。
How to use it: For Cluster Sampling to be effective, it is assumed that each cluster selected for the example is representative of the population overall.
如何使用它： 对于整群抽样是有效的，它是假定每个选定的一组例子，是代表整体的人口。
Methods Cluster sampling method was used to draw randomly 551 middle school girl students, aged 13~21 years, in Chengjiang county of Yunnan province to analyze their menstrual heath status.
方法采用整群抽样的方法随机抽取云南省澄江县551名1 3～2 1岁女中学生进行月经状况分析。
The implementation study and the qualitative outcome studies relied on direct observation, interviews and document analysis. The quantitative outcome study used a survey based on multi-stage cluster sampling.
执行研究和质量成果研究以直接的观察、访谈和文件分析为依据定量成果研究使用了一项根据多阶段集束抽样的调查。
The second round was followed by a field survey using the WHO cluster sampling technique in order to gauge the level of coverage after the completion of the two rounds.
第二轮活动后，利用卫生组织的集束抽样技术进行了一次实地调查，以衡量这两轮活动完成后的普及率。
By contrast, a quantitative evaluation of a radio programme in Zambia applied a sophisticated statistical methodology relying on baseline and follow-up survey data. A cluster sampling procedure used random selections in three stages.
相反地，对赞比亚一个无线电广播节目进行量的评价却使用了精密的统计方法，依靠基线和后续调查数据，集束抽样程序使用随机选择数据，分三阶段进行。
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