"Today I am pleased to report that there are encouraging signs that the financial system is starting to heal,"

VOA: standard.2009.05.20

So first, let's start with the one that we already know, and make sure that it still works, starting from here, mainly our isolated system.

首先，我们从我们已知的一个例子入手，看看这个判据是否正确，从绝热系统出发。

麻省理工公开课 - 热力学与动力学课程节选