Sometimes you see this written when you see p orbitals, one is written as plus, one is written in minus.

有时候你们看ｐ轨道时会看到，一个写成正号一个写成负号。

麻省理工公开课 - 化学原理课程节选

One hundred fifty plus office hours is the current tally that you'll see starting to appear on the course's website, thanks to our 60 plus person staff and you'll also see online soon once you have your accounts as per problem set 0 spec.

50多个小时的课时,就是你现在在课程网站上要看到的，在这里我们要感谢60多位同仁的帮助,一旦你开通账号，你就可以在线看到了。

哈佛公开课 - 计算机科学课程节选

So, one plus three is four, four sixths, which leaves two sixths, or one third.

加上3是4，六分之四，还剩六分之二，也就是三分之一。

麻省理工公开课 - 固态化学导论课程节选

If you have an interest rate--this is approximately equal to-- one plus the real interest rate is equal to divided by one plus the rate of inflation.

如果你知道名义利率,那实际利率约等于,这里应该是=,/

耶鲁公开课 - 金融市场课程节选

One plus this, T1 but this is the same as one minus T2 over T1.

加这个，等于1减T2除以。

麻省理工公开课 - 热力学与动力学课程节选

So if we have total +2 and complete shielding -1 where that can actually negate a full positive charge, because remember our nucleus is plus 2, +1 one of the electrons is minus 1, so if it totally blocks it, all we would have left from the nucleus is an effective charge of plus 1.

抵消一个完全的正电荷,因为记住我们的原子核是,其中一个电子是,所以如果它完全挡住了它，我们从原子核中留下的，全部有效电荷就是，所以，在我们的第一个例子中,我们的第一种极端情况。

麻省理工公开课 - 化学原理课程节选

We know it's going around in a circle because if I find the length of this vector, which is the x-square part, plus the y-square part, I just get r square at all times, because sine square plus cosine square is one.

我们之所以知道它做圆周运动,是因为我求出了这个矢量的模长,也就是 x 的平方加上 y 的平方,我就得到了它在任意时刻的模长平方,因为正弦平方加余弦平方始终等于1

耶鲁公开课 - 基础物理课程节选

So this one is spin-up plus a half, this is spin-down minus a half.

所以自旋向上是正二分之一，而自旋向下是负二分之一。

麻省理工公开课 - 固态化学导论课程节选

One minus one-half plus one-third, it is all there.

-1/2+1/3，这就是它。

麻省理工公开课 - 固态化学导论课程节选

The real interest rate, computed from nominal rates, is equal to one plus the nominal rate divided by one plus the inflation rate, so it corrects for inflation.

由名义利率算得的实际利率 等于,/,它是一个经通胀调整后指标

耶鲁公开课 - 金融市场课程节选

So, helium plus is a one electron system.

所以氦正离子是一个单电子系统。

麻省理工公开课 - 固态化学导论课程节选

The gross return is the return plus one.

总收益率就是收益率加上1

耶鲁公开课 - 金融市场课程节选

q1 So we saw that efficiency is one plus q2 over q1.

效率等于1加q2除以。

麻省理工公开课 - 热力学与动力学课程节选

Cation is plus one, anion is minus one.

阳离子带正电荷，阴离子带负电荷。

麻省理工公开课 - 固态化学导论课程节选

I think you can tell by analogy with what I did in one dimension that the position of that object at any time t is going to be the initial position plus velocity times t plus one half a t square.

你们可以类比一下我在一维情况下的结论,这个物体在任意时刻 t 的位移,等于初始位移,加上 v ? t + 1/2 ? a ? t^2

耶鲁公开课 - 基础物理课程节选

So that is one plus against one minus.

因此这是一正对一负。

麻省理工公开课 - 固态化学导论课程节选