He came up with the relationship that nu bar, which is called wave number --He found the reciprocal.

他也提出了它们与波数的关系，波数是波长的倒数。

麻省理工公开课 - 固态化学导论课程节选

I'm about to count to three.

我就要倒数三秒了。

I'm about to 实战 - SpeakingMax英语口语达人

OK. The next largest element has to end up in the second last spot. Et cetera. All right, so it's called bubble sort because it does this bubbling up until it gets there.

好的，下一个最大元素又,能跑到倒数第二的位置，等等如此，好的，这称为冒泡排序,因为这个泡泡一直冒到他自己的位置。

麻省理工公开课 - 计算机科学及编程导论课程节选

V3 Here's the V4 over V3, V1 oops, sorry. V2 over V1, this is equal to the inverse of this.

所以就是这里的V4除以，哦，对不起，V2除以，它是它的倒数。

麻省理工公开课 - 热力学与动力学课程节选

What he did was coined this. But he found that by taking the reciprocal of the wavelengths, you have four numbers, he took the reciprocals of those wavelengths and found that they fit a numerical sequence.

这些都是由他所做的一切得来的,但是他发现通过取波长的倒数，你有四个数字，他取了这些波长的倒数,发现它们构成了一个数列。

麻省理工公开课 - 固态化学导论课程节选

The one thing you want to keep in mind though is that Hertz does not actually mean inverse seconds, it means cycles per second. So, if you're talking about a car going so many meters per second, you can't say it's going meter Hertz, you have to say meters per second.

写成5每秒，或5赫兹,你们要记住的是赫兹,并不等于秒的倒数，它是每秒的循环数，如果你们说,一辆车一秒可以走多少米,你不能说它走了米赫兹。

麻省理工公开课 - 化学原理课程节选

The time period and frequency are reciprocals.

周期和频率互为倒数

耶鲁公开课 - 基础物理课程节选

Can I get the guy way back, like three rows behind you in purple?

请倒数第三排的紫衣人回答

耶鲁公开课 - 博弈论课程节选

if this is the case, of course, this is just the inverse of this.

如果这个成立，当然，它是它的倒数。

麻省理工公开课 - 热力学与动力学课程节选

It is the second button down.

这是在倒数第二行。

麻省理工公开课 - 固态化学导论课程节选

And if you go back to here and click on Archive Notes, it is the fourth button down that will take you to something that looks like this.

如果你们回到这来，点击存档笔记，是倒数第四个,你们会看到像这样的情况。

麻省理工公开课 - 固态化学导论课程节选

So this just must be the inverse of this.

所以它也应该是它的倒数。

麻省理工公开课 - 热力学与动力学课程节选

So, sometimes you'll find the Rydberg constant in different forms, but just make sure you pay attention to units because then you won't mess them up, because this is in inverse seconds here, the other Rydberg constant is in joules, so you'll be able to use what you need depending on how you're using that constant.

有时候你们会发现Rydberg常数,会写成不同的形式，但你们要注意,它的单位就不会弄错了，因为这里是秒的倒数，而另一个Rydberg常数是焦耳，所有你可以根据你要怎么使用,这个常数来选择你需要的常数。

麻省理工公开课 - 化学原理课程节选