Another thing to point out in these two graphs is that we do have nodes, and we figured out last time, we calculated how many nodes we should have in a 2 s orbital.

另外这两张图上要指出的是,我们可以看到节点，上次我们知道，我们算了２ｓ轨道有多少个节点。

麻省理工公开课 - 化学原理课程节选

That doesn't come out of what we calculated before in thermochemistry.

我们以前在化学热力学中所计算的量,无法告诉我们这些。

麻省理工公开课 - 热力学与动力学课程节选