I've got two states here, three states here, two here, I need four, and if I can come up with these bonds, four, by the Hund rule I'd fill them like this.

我们已经有2个状态在这里，3个在这里，2个在这里，我需要4个，如果我能想到这些键，四个，通过洪特规则，我们就能像这样排布。

麻省理工公开课 - 固态化学导论课程节选

So, I have to check for that, but nine times out of ten there's not going to be a problem so now let's do this.

所以，我需要做一个检查,但是通过十有八九,这不会出现问题，现在我这样处理。

哈佛公开课 - 计算机科学课程节选