Method cluster sampling and cross sectional study.

方法整群抽样，横断面调查。

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Methods: The method of cross sectional study was adopted.

方法：采用横断面调查研究方法。

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Objective Under design of cross sectional study and randomly sampling, a survey was conducted in 6 counties of Ningxia province in China on the status of nutrition of children under 3 years old.

为了解宁夏农村3岁以下儿童的营养状况，对宁夏6县进行了随机抽样横断面调查。

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It's a more powerful method than something called a cross-sectional study, and I'll come back in a later lecture and talk about these in more detail, but a cross-sectional study means you're taking a snapshot of a population of people at one time.

这种方法比所谓的横断面研究更加有效,我将在以后的课中,再仔细讨论这个问题,但横断面研究是指,你一次记录下一群人的状况

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

Well, a cross-sectional study would mean that you'd get a random group of the population and measure them in 1970 and then take another random group five years later and measure them, but it wouldn't be the same people necessarily, it would be different groups of people.

那么,横断面研究就是,1970年你在人群中随意选择一组人,并记录下相关数据,然后,五年后再随意选择一组人记录数据,但这不需要是同一组人,通常是不同的人

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

The cross-sectional study, published by the Indian Journal of Community Medicine three years ago, recruited 200 medical students and scholars.

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