thermodynamic identity

• 热力学恒等式

thermodynamic identity的用法和样例：

例句

1. An identity is true regardless of the values of its variables.
   恒等式中的变量变化不影响恒等式的成立。
2. After that, people found the identity has many different applications, especially on regularity and non-existence of solutions about PDEs.
   自此以后，人们发现该恒等式有很多用途，尤其是在研究偏微分方程中解的存在性和唯一性方面。