第二章由基本定律得出了各热力学函数之间的普遍关系式，它们与物态方程相结合，成为确定物质平衡态性质的依据。

In chapter two, some fundamental equations of thermodynamic functions are obtained which become criterions of equilibrium along with the state equations.

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第二章由基本定律得出了各热力学函数之间的普遍关系式，它们与物态方程相结合，成为确定物质平衡态性质的依据。

In chapter two, some fundamental equations of thermodynamic functions are obtained which become criterions of equilibrium along with the state equations.

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