If you plug in x equals one that is our series.

如果你定义x等于1这就得到了我们的式子。

麻省理工公开课 - 固态化学导论课程节选

Okay. Now Eva has another gig out in Gilford this morning so she's going to run off, and I'm going to show you, maybe, if we can get our slides up, this overtone series stuff.

伊娃今早在吉尔福特还有其他表演,所以她得告辞了,现在,要是我的幻灯片能用的话,我要用幻灯片为你们演示,这些有泛音列的乐器

耶鲁公开课 - 聆听音乐课程节选

Our Rudd Center website, we have recorded a series of Podcasts with people who have visited the Rudd Center and I would urge you to listen to those, and I'll be mentioning these as we go throughout the class.

我们路德中心的网站,我们有一系列对路德中心来访的学者,进行采访的播客,我希望你们能听一下这些播客,在以后的课堂上我也会提到其中的内容的

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 this is our final equation, and this is actually called the Balmer series, which was named after Balmer, and this tells us the frequency of any of the lights where we start with an electron in some higher energy level and we drop down to an n final that's equal to 2.

把2代入到这里，所以得到1除以,这就是我们最终的方程，这叫做Balmer系，以Balmer名字命名的,它告诉我们从高能级掉到n等于2的,最终能级所发出光的频率。

麻省理工公开课 - 化学原理课程节选