查询词典 stratified
- 与 stratified 相关的网络例句 [注：此内容来源于网络，仅供参考]
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Methods A questionnaire survey was conducted to a clustered stratified sample of1785children in Qingdao.
采取分层整群抽样的方法对青岛市1785名儿童进行问卷调查。
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Methods A cluster stratified sample of 1 681 students from Jianghan University were investigated by SDS.
采用分层整群抽样法抽取江汉大学1 681名本科学生，采用抑郁自评量表进行测评。
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Methods Stratified Cluster Sample was used in survey on middle-school students in Mengcheng County.
方法采用分层整群抽样方法对蒙城县中学生进行基线和干预后艾滋病相关问题的问卷调查。
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Methods A cluster stratified sample of 1747 undergraduates were investigated b a self-designed questionnaire.
整群分层抽取郑州市1747名大学生为调查对象，自行设计问卷进行调查。
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Methods A cluster stratified sample of 509 medical college students were questionnaired on epidemic features and the related factors of depression and anxiety.
方法分层整群抽取某医科大学本科生509名进行抑郁、焦虑情绪的流行特征及其相关因素调查分析。
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In chapter 4 based above two chapters, we disscuss sampling method of supplemented sample under both cluster sample and stratified sample having auxiliary information.
已有的 分层抽样和整群抽样方案都有自己的使用范围，在不适合的情况下使用效率很低。
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Reproductive health institutions in Suzhou and Jiaxing areas were sampled with stratified sample method.
我国于 1994年就引入生殖健康的概念，并将其作为卫生工作的优先服务项目。
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Methods With a questionnaire, a stratified cluster sample of 7 527 students were investigated. Multivariate logistic regression analysis was performed to assess factors for suicidal ideation.
方法采用统一调查表，应用分层整群抽样的方法调查广州市8所中学和8所小学学生7 527名，通过多因素Logistic回归模型筛选自杀意念的危险因素。
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Methods A stratified random cluster sample of12637students in32schools were investigated with an anonymous questionnaire.
采用整群抽样的方法，抽取上海市有代表性的32所学校共计12637名大中学生，进行无记名问卷调查。
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Analytic methods based on elementary parametric and non-parametric models for one sample; two sample, stratified sample, and simple
主要目标是由已知的样本资料经由正确有效的分析来推测母体所具有的特性；另外则是适当地设计样本取得的程序及取样的范围，以便使所观察样本显现的特性能真实反映母体的现象，进而能以简洁的分析，作有效的推论。
- 推荐网络例句
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As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.
每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。
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Maybe they'll disappear into a pothole.
也许他们将在壶穴里消失
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But because of its youthful corporate culture—most people are hustled out of the door in their mid-40s—it had no one to send.
但是因为该公司年轻的企业文化——大多数员工在40来岁的时候都被请出公司——一时间没有好的人选。