英语语法分析

The algebraic multigrid method can avoid those defects.

代数多重网格法可以避免这些缺陷。

The multigrid method is applied in the unstructured grid.

将多重网格法运用于非结构网格。

Delete grid k, a multigrid coarsening, and all of its multigrid coarsenings.

删除一个加粗网格和它的所有加粗网格。