As every time we introduce a new programming concept, we'll relate it back, as we have been doing consistently, to defensive programming.

我们每次介绍一个,新的编程概念的时候，就会和以前讲的联系起来，就和我们介绍防卫性程序设计一样。

麻省理工公开课 - 计算机科学及编程导论课程节选

PROFESSOR: Last time, Professor Guttag introduced the idea of objects and classes and this wonderful phrase called object-oriented programming.

教授：上节课，Guttag教授,介绍了对象和类的概念以及,面向对象编程这个美妙的短语,这是我今天想继续讲的一个话题。

麻省理工公开课 - 计算机科学及编程导论课程节选

So how do we get you from for many of you zero to 60 miles per hour after just 11 weeks, well like many courses here is the course structured around not only lectures for conceptual introductions, but sections, office hours and walkthroughs.

十一周后,很多人每小时都能知道60公里内发生的事情，就像这里的很多课程一样,这个课程不只有概念性的介绍，也包括上机和演练讲座。

哈佛公开课 - 计算机科学课程节选

You're not going to need to know a lot about this for this course, but this is--I wanted to get the basic ideas down.

对于本门课程来说,你不必,对刚才讲的概率的知识有很深入的了解,我只想介绍一些概率论的基本概念

耶鲁公开课 - 金融市场课程节选

So one last concept that I want introduces is this idea of resonance.

我要介绍的最后一部分内容,是共振态这个概念。

麻省理工公开课 - 化学原理课程节选

You recall when we talked about Plato, we introduced the notion of essential properties.

你们还记得我们说起柏拉图的时候，我们介绍了基本性质的概念。

耶鲁公开课 - 死亡课程节选

I just wanted to introduce those concepts because you've read about them; we'll be talking more about RNA interference in particular as we go on through the course.

我只是想简单介绍下这些概念,因为你们已经读过它了,随着课程的深入,我们将会讨论更多关于RNA干扰的内容

耶鲁公开课 - 生物医学工程探索课程节选

Well loops are something we talked briefly about.

首先我要简单介绍一下“循环“这个概念。

哈佛公开课 - 计算机科学课程节选

Well, what she found was that life insurance salespeople were going to families and trying to sell them on life insurance by explaining the concept and they would say something like I did.

这是因为她发现当时的保险推销员,总是来到客户家中,并且希望通过介绍各种概念来推销保险,他们会说一些类似我之前讲过的东西

耶鲁公开课 - 金融市场课程节选

So I just want to kind of introduce that idea here.

给你们介绍这个概念，因为i额。

麻省理工公开课 - 化学原理课程节选

Soon when we're talking about multi-electron atoms, and I just want to introduce it here, that it is sort of opposing ideas that even though the s is the biggest and it's most likely that the electron's going to be furthest away from the nucleus, that's also the orbital in which the electron can, in fact, penetrate closest.

当我们说多电子原子时，我这里要先介绍一下，这些概念有些相反,虽然ｓ轨道最大,所以电子最可能远离原子核，但它上面的最容易，穿透到离原子核最近。

麻省理工公开课 - 化学原理课程节选