unstructured grid的用法和样例：
例句
- The computed space meshes with ground effect of general propeller-driven aircraft are created with an unstructured mesh technology.
本文利用非结构网格技术生成螺旋桨飞机含地面效应的空间网格。 - An unstructured grid was applied to the zone near the iced airfoil, whereas a structured grid was applied to save the storage and computational time.
在靠近积冰边界的内层采用了非结构网格，在非结构网格外采用结构化网格以节省存储空间和计算时间。
