But there's another way to do this and I'm going to give you now the simplest example of the other way, which is to draw free-body diagrams.

不过还有另外一种方法,现在我来给你们演示,另外一种方法最简单的例子,也就是隔离法的受力分析

耶鲁公开课 - 基础物理课程节选

There are a couple of copies of this on reserve in the music library and you can go over there inside of Sterling memorial Library and do the listening there if you want, but one way or another you've got to get a hold of this.

斯特林纪念图书馆里有一些拷贝件,你可以在心血来潮时,去图书馆里做音乐欣赏,总之你一定得去听

耶鲁公开课 - 聆听音乐课程节选