The anti-corruption group Transparency International says more than 30 Bongo family properties in France worth nearly $200 million could not have been purchased on his state salary alone.

VOA: standard.2009.08.28

It relate state properties to each other.

体积和温度联系起来。

麻省理工公开课 - 热力学与动力学课程节选

So, these on-changing properties that describe the state of the equilibrium state of the system are called state variables.

这些描述,系统平衡态的,变化的属性,就叫做状态变量。

麻省理工公开课 - 热力学与动力学课程节选

So what they do is, they're describing how these thermodynamic properties change, in terms of only state functions and state variables.

他们的作用是描述,随着状态函数和状态变量的变化，系统的热力性质如何变化。

麻省理工公开课 - 热力学与动力学课程节选