All right, so hopefully if you see any other combination of quantum numbers, for example, if it doesn't quickly come to you how many orbitals you have, you can actually try to write out all the possible orbitals and that should get you started.

所以希望你们如果遇到,任何其它的量子数组合的问题，如果你们不能马上想到有多少个轨道，可以试着先写出所有的轨道,这是个不错的切入点。

麻省理工公开课 - 化学原理课程节选

Could be ints, could be floats, could be a combination of things, some ints, some floats, some lists, some strings, some lists of lists, whatever.

但是我们知道数组内部的元素，可以是任何对象，可能是整数也可能是浮点数，也可能是对象的组合，一些整数。

麻省理工公开课 - 计算机科学及编程导论课程节选

You can either have what's called an indexed portfolio, or a managed portfolio.

你可以选择指,数化资产组合，或者代管投资组合。

麻省理工公开课 - 计算机科学及编程导论课程节选