And what I want to point out here is this angular dependence for the p orbitals for the l equals 1 orbital.

这里我要指出的是,ｌ等于１的ｐ轨道随角度的变化。

麻省理工公开课 - 化学原理课程节选

And then if we think about 3 s, 0 we want to start with 3, we subtract 1, again l is equal to 0, so minus and we have two radial nodes.

我们从3开始，减去，同样的l等于，所以减去0，我们有两个节点，这应该。

麻省理工公开课 - 化学原理课程节选

Y You don't want to rename them L and R or X and Y right because you want to call them left and right.

你不想把它们重命名为L和R，或者X和,因为你想叫它们为left和。

哈佛公开课 - 计算机科学课程节选

And when we talk about l it is a quantum number, so because it's a quantum number, we know that it can only have discreet values, it can't just be any value we want, it's very specific values.

当我们讲，l是一个量子数时，因为它是量子数，我们知道，它只能去分立的值，它不能取到所有的数，它取一些确定的数。

麻省理工公开课 - 化学原理课程节选