And, in fact, these are the only two types of nodes that we're going to be describing, so we can actually calculate both the total number of notes and the number of each type of node we should expect to see in any type of orbital.

事实上，我们只,描述这两种节点，所以我们可以,计算任何轨道中的,总结点数以及各种节点数。

麻省理工公开课 - 化学原理课程节选

So, we should be able to look at different types of waves and be able to figure out something about both their frequency and their wavelength and know the relationship between the two.

我们可以看到,不同的波并从它们的,波长和频率中,获得一些信息，我们知道。

麻省理工公开课 - 化学原理课程节选