n l m s Once we have chosen a certain mix of n, l, m and s, it is used once for that particular atom.

一旦我们选定了一组量子数，它就只能被一个固定原子所有。

麻省理工公开课 - 固态化学导论课程节选

The worst case here is, the things not in the list in which case I've got to go all the way through the list to get to the end.

目标数不在数组里,这意味着我必须遍历数组中所有的元素,好，说完了这些。

麻省理工公开课 - 计算机科学及编程导论课程节选