If you're really into it and you're at MIT, maybe you want to know the wavelength of these average fastballs. So, let's go ahead and look at that.

如果你真的深入到这个问题中去,而且你在麻省理工学院，也许你会想知道这些快球的波长,所以我们继续来看这个问题。

麻省理工公开课 - 化学原理课程节选