structured mesh的用法和樣例：
例句
- Structured grids are applied widely due to its lower EMS memory occupation and its convenient grid node coding.
結構化網格具有節省內存和便於節點編號等優點被廣泛使用。 - The two fluid flow regions are meshed by hexagonal structured and tetrahedral unstructured grids.
運用結構化與非結構化網格相結合的方法對流場計算區域進行網格劃分。
