This should make a lot of sense, because we know that a hydrogen has 1 s as it's outer-most or valence orbital, so it can be filled up just with two 1 s electrons.

这也是很合理的，因为我们,知道氢只有，1，s，轨道,这就是它最外层的轨道或者说价轨道，因此只要两个，1，s，电子就可以将它填满。

麻省理工公开课 - 化学原理课程节选

So let's think about it. This sucker, Mac AIR what's it got in there? That Air Mac, it's, see, it's got, its go-- my Air Mac, I don't know about John's, his is probably better, mine has 1.8 gigahertz speed.

再让我们来看看这台机器，它是什么配置呢？这台，是的，我的Mac，AIR，我不关心John的,他的可能还更好，我的CPU是1。8G的。

麻省理工公开课 - 计算机科学及编程导论课程节选

If it has 1 s and 3 p's, we call it s p 3.

如果它有1个s和3个p，我们叫它sp3。

麻省理工公开课 - 化学原理课程节选

They different greatly in style. Genesis 1 is formalized, it's highly structured, it has the seven days and everything's paired up.

风格迥异，《创世纪》1，很书面化,结构严谨，什么东西都是成双成对的。

耶鲁公开课 - 旧约导论课程节选

And this has, just like a lot of positive psychological approaches, has been ignored with a ratio 21 to 1.

正像很多积极心理方法一样，被21比1的比率忽视。

哈佛公开课 - 幸福课课程节选

In 1,000 years there'll be somebody that has the very same soul that's animating my body right now.

000年后会有人带有和你一样的灵魂,驱动着另一个身体。

耶鲁公开课 - 死亡课程节选

And for those of you at the very end of the alphabet, 1-190 we have a special room for you, 1-190, so everybody has some elbow room.

而你在字母表的末尾，我们给准备了一个特别的房间，因此，每个人都有些活动空间。

麻省理工公开课 - 固态化学导论课程节选

And none of this has an S1 in it, so that all goes away.

1在这里面就都消掉了

耶鲁公开课 - 博弈论课程节选

I believe religious pluralism has three dimensions: No. 1, respect for people's religious identities ; including people with no religious identities; No. 2, positive relationships between different people ; of different religious communities; and No. 3, a collective commitment to the common good.

我认为宗教多元主义分为三个层面：,第一是对人们不同的宗教身份的尊重,包括对无宗教信仰的人的尊重;,第二是来自不同宗教社区的,不同人间的良好关系;,第三是共同致力于公共利益。

普林斯顿公开课 - 人性课程节选

r1 Asset 1 has expected return r1.

第一项资产的预期收益率是。

耶鲁公开课 - 金融市场课程节选

Fortunately, Square is a company 1 that has revenue from day 1 so we can look at constantly building that and we don't have to worry about much investment.

幸运的是，Square是一家,从第一天就有收入的公司1,所以我们可以看到在不断地建设它,而不必担心投资问题。

斯坦福公开课 - Twitter之父Jack.Dorsey演讲：好奇和灵感的力量课程节选

But since sine square plus cosine square is 1, you'll find this vector has a fixed length R.

但是由于正弦和余弦的平方和为1,你会发现这个矢量模长恒等于 R

耶鲁公开课 - 基础物理课程节选

Because it has MHC-1, your MHC-1 on it, this T-cell recognizes that it's one of your cells but it has a foreign antigen associated with it.

因为该细胞上有MHC-1,T细胞将这些细胞识别为自身细胞,但这些细胞带有异己抗原

耶鲁公开课 - 生物医学工程探索课程节选

All right, c p 1 dot y, x I've said assign that to the value 2, 2,0. So now c p 1 has inside of it an x and y value.

一个特定的版本，我现在命名了一个内置变量，并给它赋值了,我刚刚做的也就是给它。

麻省理工公开课 - 计算机科学及编程导论课程节选

So for example, that might have a formal charge of negative 1, because to some extent it has gained that much electron density that it now has a formal charge that's negative.

比如，可能它的形式电荷为负一，因为在一定程度上它得到了这么多的共用电子密度,那么它现在就有了负的形式电荷。

麻省理工公开课 - 化学原理课程节选

So, this allows us to look at a bunch of different atoms, of course, limited to the fact that it has to be a 1 electron atom.

所以这让我们可以研究很多原子，只要它们都只有一个电子。

麻省理工公开课 - 化学原理课程节选