Not only are we taking away an electron here, but we're also going to decrease shielding, so the electrons that are already in there are going to feel a higher z effective and will be pulling and the atom will be getting smaller.

这不只是因为我们拿走了一个电子，还因为我们这样做会减小屏蔽效应，这样留下的电子,将会感受到更大的有效核电量,也就会感受到更强的吸引力，使得原子变得更小。

麻省理工公开课 - 化学原理课程节选

Then of course, there's the other problem that the insurance company-- how does the insurance company reasonably specify that it can come through on this policy?

之后，对保险公司来说,当然还存在其它问题-,保险公司怎样才能使一份保单上,载明的内容合理而有效被执行呢？

耶鲁公开课 - 金融市场课程节选

And so there's a lot of interest, not just in developing vaccines for diseases that we don't have vaccines for, but for delivering vaccines that are more effective.

所以我们感兴趣的领域,不仅包括针对还没有疫苗的疾病,来研发疫苗,还要开发更有效的疫苗

耶鲁公开课 - 生物医学工程探索课程节选

In Week 2 we'll look at things like cryptography and functions and the tools that by which you begin to assemble solutions to problems; in Week 3 we'll introduce what are generally ; known as algorithms and data structures; mechanisms by which you can solve problems more efficiently, effectively.

第2周,我们学习加密技术及其功能,还会学到一些操作工具,通过这些工具的使用来收集解决问题的办法,第3周,我们将介绍;,算法和数据结构,以及可以更有效地解决问题的机制。

哈佛公开课 - 计算机科学课程节选

The ideal audience for the book," he says "should be the preachers, the gentry, the lawyers, men of affairs, who drawing such water as they find from the book can use it," he says, "to sprinkle the same both from the pulpit and from their conversation upon the people."

他还说，像传教士，贵族，律师，当政者,这样的人就更应该读这本书，因为他们有能力,把从书中汲取的思想认识，通过礼拜或与他人的交谈,有效地传播出去“

耶鲁公开课 - 政治哲学导论课程节选

They had to give some of them the real vaccine and some of them a placebo vaccine in order that they could really tell if the vaccine worked; you have to have it placebo controlled.

研究者们还须给部分孩子接种真正的疫苗,给另外一些孩子接种空白疫苗,以分辨疫苗是否真的有效,所以你必须使用安慰剂作对照

耶鲁公开课 - 生物医学工程探索课程节选

But it's only an effective vaccine in the context where you have people who can go to the doctor's office, or to an urgent care, some kind of medical facility, three times, reliably, at a specified period of time.

但为了保证接种效果,人们必须亲自去诊疗室,或者在急诊室里,使用一些医学设施辅助接种,还需要接种三次,它只在一段时间内有效

耶鲁公开课 - 生物医学工程探索课程节选

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