multi-phase field的用法和樣例：
例句
- The phase field method is proposed based on the general Ginzburg-Landau theory of phase transitions.
相場方法不需要跟蹤固液界面，因此在模擬枝晶生長方面有獨特的優勢。 - The recent trends of microstructure simulation were also proposed, such as coupling phase diagram calculation and Phase Field Methods.
此外，介紹了顯微組織模擬研究方面的最新動態，包括相圖計算和相場法的應用。
