heat equation的用法和樣例：
例句
- Some nonclassical potential symmetry generators and group-invariant of heat equation and wave equation were determined.
主要研究了熱方程與波方程的非古典勢對稱群生成元及相應的群不變解。 - In this article we have done some research summary into the controllalility for semilinear heat equations.
近年來半線性熱方程的控制問題受到了許多數學工作者的廣泛關注。
