查询词典 cluster
- 与 cluster 相关的网络例句 [注:此内容来源于网络,仅供参考]
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The samples were collected by way of cluster sampling and 798 were available.
统计 本论文已被浏览 202 次,被下载 17 次
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Methods Stratified random and cluster sampling methods were employed in this study.
正确使用安全、可靠的避孕方法是降低意外妊娠的关键。
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Methods Cluster sampling method was used in the 717 persons aged 60 and over in Yanjiao Developing Area.
采用整群抽样方法对河北省燕郊年龄≥ 6 0岁 717名老年人进行问卷调查。
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Cluster sampling and questionnaire of traffic safety consciousness of school students in Shanghai were conducted in this study.
采取整群抽样的方法,同时采用统一编制的"上海市中、小学生交通安全知识认知调查表"进行调查。
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Methods Cluster sampling was used, and epidemiological investigation was carried by means of questionaires.
采用整群抽样的方法,运用自编的调查表进行流行病学调查。
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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。
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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。
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Methods The study was conducted by cluster sampling and stratified sampling.
采用整群抽样和分层抽样相结合的调查方法。
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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。
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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。
- 相关中文对照歌词
- White Cluster
- 推荐网络例句
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Lugalbanda was a god and shepherd king of Uruk where he was worshipped for over a thousand years.
Lugalbanda 是神和被崇拜了一千年多 Uruk古埃及喜克索王朝国王。
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I am coming just now,' and went on perfuming himself with Hunut, then he came and sat.
我来只是现在,'歼灭战perfuming自己与胡努特,那麼,他来到和SAT 。
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The shamrock is the symbol of Ireland and of St.
三叶草是爱尔兰和圣特里克节的标志同时它的寓意是带来幸运。3片心形叶子围绕着一根断茎,深绿色。