查询词典 stratified sample
- 与 stratified sample 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 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。
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To interview1483 residents of 15 years and above by the way of stratified and cluster sampling.
通过分层整群抽样访谈调查了黑水县15岁以上居民1483人。
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Methods The stratified cluster sampling was used to research 395 college students of Huangshan college by questionnaires.
采用分层整群抽样方法对安徽黄山学院395名大学生进行网络行为问卷调查。
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Methods: The survey were designed by stratified cluster sampling.
方法采取分层整群抽样的方法。
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Methods Questionnaire survey was conducted with stratified cluster sampling.
方法采用分层整群抽样的方法，进行无记名问卷调查。
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Methods With stratified cluster sampling method,1?
采取分层随机抽样方法，对沈阳市2所大学1？
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Especially, the combined ratio estimator of domain total is investigated under stratified complemental sampling when auxiliary information can be used.
及该方案在分层抽样下的推广，在有辅助信息可用时构造域总量的分层联合比估计，并给出其方差和方差估计公式，同时我们给出了模拟结果，从模拟结果可以看出，给出的方差估计是估计量方差的近似无偏估计。
- 相关中文对照歌词
- Amplified Sample
- Sample The Funk
- Does Anybody Know
- Sample And Hold
- It's Your Life
- You Gonna Luv Me
- Cant Get No Better
- Put It All To Music
- Unexplainable Hunger
- Faithful
- 推荐网络例句
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We are forbidden from giving money to these shoeless, skinny children, as this will perpetuate begging.
向光着脚，骨瘦如柴的孩子施舍是不可以的，因为要招来无休无止的乞讨。
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It would be hard not to fall victim to some sharpeyed policeman.
要想不被某个目光锐利的警察抓到，谈何容易。
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Obviously, it's one of the most tragic moments in the world history.
显然，这是世界历史上最悲惨的时刻之一。