This is an abstract and powerful mathematical statement of the first law of thermodynamics.

这是热力学第一定律的一个抽象,而且具有很强数学性的表述。

麻省理工公开课 - 热力学与动力学课程节选

I'll show those again, but what I want to do mostly today is try to put a mathematical statement of the second law in place that corresponds to the verbal statements that we saw last time.

今天我还将跟你们讲这些，但今天的重点是,对上次口头表述内容中的热力学,第二定律,的数学推导,我们上次看到的。

麻省理工公开课 - 热力学与动力学课程节选