If m is equal to 0, in this case we would call it the p z orbital, z so we would have the subscript z here.

如果m等于0，这种情况下,我们叫它pz轨道，我们在这里有下标。

麻省理工公开课 - 化学原理课程节选

Now we're going to--notice there's no subscript on this P and you'll see why in a second.

我们要,注意这个P没有角标,你们很快会知道这是为什么

耶鲁公开课 - 博弈论课程节选

If I don't show you any argument for v, it means v at time t and the subscript of 0 means t is 0.

如果我不对v做任何标志,那就表示t时刻的速度v,下标0表示的是t=0

耶鲁公开课 - 基础物理课程节选

I am going to stop putting subscript e.

接下来我不再用下标e了。

麻省理工公开课 - 固态化学导论课程节选