So, if we want to figure out the formal charge on the carbon, we need to take the number of valence electrons, so that's 4. We need to subtract the lone pair, what number is that? It's 2.

如果我们想算出碳原子的形式电荷，我们需要将价电子的个数，也就是四，减去孤对电子的个数，它是多少？是二。

麻省理工公开课 - 化学原理课程节选

So the big lesson of this game is-- i forgot what number we're up too-- I guess this is Lesson 4 I think.

这个博弈的重要结论,我忘了第几个了,我记得应该是第四个

耶鲁公开课 - 博弈论课程节选

I've been assigning this book, now it's in another edition and-- Fabozzi is working on a fourth or next edition, I forget what number.

我一直指定这本书为教材,现在有了新版,法博齐正在修订第四或者更往后的版本,我忘记版本号了

耶鲁公开课 - 金融市场课程节选

Over there ... You turn on your radio, your car radio, to your FM classical music station and what number approximately would you go to?

那边的同学,你打开汽车里的收音机,调到古典音乐频道,然后你通常会调到哪个电台呢

耶鲁公开课 - 聆听音乐课程节选

So what number first are they presenting?

这是什么数字呢，代表什么呢？

哈佛公开课 - 计算机科学课程节选

And that's what led us to a number of results to determine what quantities we even need to be looking at.

这就要求我们考察一系列结果,然后决定到底需要计算什么物理量,来找出。

麻省理工公开课 - 热力学与动力学课程节选

what three quantum numbers tell us, versus what the fourth quantum number can fill in for us in terms of information.

三个量子数和,四个量子数告诉我们的信息。

麻省理工公开课 - 化学原理课程节选

Now, to get to the number of neutrons, what we do is go up here to the upper left.

现在，看看中子数，我们要做的，是看到这左上方。

麻省理工公开课 - 固态化学导论课程节选

What's the biggest number I can represent with eight of these? Somebody?

我能用这8个数最大表示多少？,有人知道吗？

麻省理工公开课 - 计算机科学及编程导论课程节选

You and I are to what else was going on, certainly 11 approvals sense like an extreme number. Yeah,yeah.

你和我都不知道还有什么其他事，但是很显然11个批准文件是很极端，是，是这样的。

普林斯顿公开课 - 国际座谈会课程节选

So what you get on the plate is many copies of the small number of plasmids that you've put in.

我们只要放入少量质粒,就能在培养基上得到大量的复制品

耶鲁公开课 - 生物医学工程探索课程节选

You all put whatever number you have, including the cellphone number. OK What are you looking for, Michelle?

只要有什么号码，都写下来吧，包括手机号码,米歇尔，你想从这门课里学到什么呢？

麻省理工公开课 - 电影哲学课程节选

So, I already said what the number of square miles that were increased, but it increases from six to sixteen million of the population.

我已经提过了领土扩大的面积有多少,而人口从六百万增加到一千六百万

耶鲁公开课 - 欧洲文明课程节选

Now what we do is to record the number of those action potentials in some period of time, and plot them on the graph below.

现在，我们要做的是记录,在一定时间内可能做出的动作，在图表中设计出来。

斯坦福公开课 - 7个颠覆你思想的演讲课程节选

Okay, well the interesting thing is, you guys in a very short period of time generated a number of ideas about what this could be.

好,有意思的是,大家在很短时间内,猜出了很多种东西

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 Socrates has what he wants, once we give him premise number two, that the eternal, non-physical can only be grasped by the eternal, non-physical.

所以如果我们同意他的前提二,苏格拉底就得到了他想要的,前提二说永恒,非现实的事物,只能被永恒,非现实的事物认知

耶鲁公开课 - 死亡课程节选

That is to say the character of those who constitute a city and here he rejects a number of alternatives for what constitutes a citizen body.

也就是说那些构成城市者的特质,而在这，他拒绝了不少,替代构成公民本体的方案。

耶鲁公开课 - 政治哲学导论课程节选

Your birthday and social security number is what you look up.

你的生日和社保号码才是你应该查的

耶鲁公开课 - 基础物理课程节选

All right, what about number three up here?

那么，第三点怎么样呢？

耶鲁公开课 - 公正课程节选