So, there's two kind of cartoons shown here that give you a little bit of an idea of what this quantum number tells us.

这里展示的两个图片,可以让你们对,这个量子数有些概念。

麻省理工公开课 - 化学原理课程节选

So, we'll take a little bit of a step back after we introduce quantum mechanics, and talk about light as a wave, and the characteristic of waves, and then light as a particle. And one example of this is in the photoelectric effect.

等我们介绍完量子力学后,我们要回过头来讨论下光,作为一种波和它的波动性特征,以及光作为一种粒子,其中的一个粒子就是光电效应。

麻省理工公开课 - 化学原理课程节选