All right. Let's consider now the second extreme case, or extreme case b, b for our helium atom.

好的让我们现在来考虑,一下第二种极端案例，或者极端案例。

麻省理工公开课 - 化学原理课程节选

In an extreme case b, we had a z effective of 2, so essentially what we had was no shielding at all.

我们有效的z是，所以本质上我们完全没有屏蔽。

麻省理工公开课 - 化学原理课程节选

And you can very quickly take this feature to an extreme 10 and start putting X and Y and A and B and 10 and all your variables up top because it would seem to solve all of your problems and stop all of your thinking, but it's generally not a good thing.

你可能迅速地使这个特征成为一个极端,开始把X和Y和A和B和0,和所有的变量都放在最前，因为好像它可以,解决你的所有问题，并中止你的想法，但通常这不是一件好事情。

哈佛公开课 - 计算机科学课程节选