are all functions of state and parameters that we can control like temperature and pressure.

公式里面的全部都是态函数,我们控制态函数的参数比如温度或者压强。

麻省理工公开课 - 热力学与动力学课程节选

And the beauty of that equation of state is that it only relies on two parameters.

范德瓦尔斯方程,先把结果写出来。

麻省理工公开课 - 热力学与动力学课程节选