The electronic configuration, all it is is the shorthand notation for that one electron approximation for the Schrodinger equation for lithium.

电子构型就是，对于锂的薛定谔方程,的单电子近似的,简化形式。

麻省理工公开课 - 化学原理课程节选

But now, hopefully, we understand where that comes from, why it is that we use the shorthand notation.

但是现在希望我们明白,那是从哪来的，我们为什么要用简化形式。

麻省理工公开课 - 化学原理课程节选

So let's actually just simplify this to the other version of the Rydberg constant, since we can use that here.

除以n初始的平方，我们把它简化成,另一种形式的Rydberg常数。

麻省理工公开课 - 化学原理课程节选