He realized that this "teach-in" method would be a useful way for the public to express concern about the environment to federal and state officials.

VOA: special.2010.04.21

Just like u, we'd like to be able to express it in a way that allows us to calculate what happens only from equation of state data.

就像内能u一样，我们希望能够利用状态方程的数据,计算出其表达式,这些表达式能方便我们说出即将发生的过程。

麻省理工公开课 - 热力学与动力学课程节选