So when we talk about a cohort study, this means taking a group of people and following them over time.

所以当我们提到定群研究,就意味着,有一群人参加实验并需一直追踪下去

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

So that's where it's easy to get lost, but let's see if these lines in the picture help us stay on track.

这就是容易迷惑的地方，下面看看,这幅图中的这些线能否帮助我们追踪。

哈佛公开课 - 计算机科学课程节选

Well there are methods that get used to track population intake and methods to track individual food intake, and let's talk about each of them.

有的方法,用于追踪总体摄入量,有的方法追踪个体食物摄入量,让我们分开来谈

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

They are not easily accessible by following the links.

暗网难以通过追踪链接来获取。

斯坦福公开课 - 百度CEO李彦宏演讲：全球最大搜索引擎的发展课程节选

Before Piaget, nobody noticed that babies had this problem tracking and understanding objects.

在皮亚杰之前,并没有人注意到婴儿在追踪和理解客体上,存在着守恒的问题

耶鲁公开课 - 心理学导论课程节选

We are also put in mind of how the war is, in fact, anything but a revel, though it, too, may have been provoked by a cause as insignificant and hard to trace as "some wizard vermin."

我们同样也思考事实上战争，只是一场狂欢，尽管它有可能,是由一个毫不重要难以追踪的“一些害虫“引起的“

耶鲁公开课 - 现代诗歌课程节选

Suppose I've got a heat-seeking missile which tracks down the plane.

假设有一个热追踪导弹,正在追踪一架飞机

耶鲁公开课 - 死亡课程节选

And as a result of writing it down and keeping track, he produced a very clear record, and scientific evidence, that using this procedure could protect a population of people from the disease.

凭借他的持续关注和追踪,他做出了十分清晰的记录,留下了科学证据,证明这种方法,可以让人们不再得这种病

耶鲁公开课 - 生物医学工程探索课程节选

It's also called historical criticism, because its ultimate goal and purpose was not just to isolate the sources, but to arrange them according to relative dates as far as they might be ascertained, and then to chart changes in Israel's religion.

还被叫作历史批判学，因为其最终目标,不仅仅是分离材料，而且要根据可以确定下来的,相对日期对其进行整理，然后追踪以色列的,宗教变更。

耶鲁公开课 - 旧约导论课程节选

0 years follow-up.

0年的追踪调查。

哈佛公开课 - 幸福课课程节选

He also did it from the El Camino Community College Library because he thought, I'll be careful, I won't issue this fake press release on my own computer because they might be able to track me back to my own computer.

而且他使用,埃尔卡米诺学院图书馆的电脑进行发布,因为他想,我要小心为妙,不能用自己的电脑散布这条消息,监管机构很可能会追踪到我的电脑上

耶鲁公开课 - 金融市场课程节选

And there is this heartbreaking love that Sal has for Dean, and, if you track that through, the major turning points in the second two thirds of the novel are moments when Sal makes it clear to Dean that he actually cares about him.

而且萨尔对迪安有着令人悲痛的爱情，如果你追踪这一点，你就会发现小说里,三分之二的时间萨尔都在,向迪安说明他有多在乎迪安。

耶鲁公开课 - 1945年后的美国小说课程节选

You could imagine the dualist coming back and saying, "Look, in the case of the heat-seeking missile or the robot for that matter, although it's doing things, it's just obeying orders.

你可以假想二元论反驳说,在热追踪导弹,或是机器人的例子里,尽管他们各尽其职,但也只是恪守命令

耶鲁公开课 - 死亡课程节选

That would be a very straightforward functional way to do it, but you could imagine that that's very labor intensive because you've got to separate each individual cell, and you've got to nurture it and then keep track and study what it becomes.

这是一种非常直截了当的有效方法,但你能想象这得耗费海量的人力,因为你得分离每一个细胞,并进行培养,然后还得追踪和研究它们的变化

耶鲁公开课 - 生物医学工程探索课程节选

In general, if you're watching an action movie and there's a car chase and the trucks and cars are crashing all over the place, and let's say a Budweiser truck shows up in the scene somehow, well people are very likely paying for that.

如果看一部动作电影中有汽车追踪,以及卡车和汽车到处碰撞的场景,就说在电影里出现的是百威的卡车,这家公司的人很有可能为这个场景花钱了

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

So scientists have learned how to do the following.

科学家已经知道如何追踪。

耶鲁公开课 - 死亡课程节选

What they do in this study is they took this cohort of a hundred thousand nurses and then have followed them repeatedly over the years, with very careful assessments of diet, health status, and other things, and countless papers, important papers have been published from this particular cohort.

在研究过程中,他们以十万名护士为研究群组,很长一段时间内定期追踪她们的信息,包括关于饮食健康状况等的详细评估,同时还不断刊发基于这一研究群组,的重要论文

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选