...多重网格法；边界截取；粗网格；收敛性；大地电磁法[gap=1671]Key words: multigrid method; boundary truncation; coarse grid; convergence; magnetotelluric method...
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Well coarse grid 粗格栅井
coarse-grid 粗网格
rotary coarse grid 自动粗格栅
coarse grid correction 粗网格校正
correction on coarse grid 粗网校正
coarse-grid symbolic layout 粗略网格的符号法布图
In order to reduce model error, we use non-uniform grid, if the parameter's changing is fast, we use fine grid, else we use coarse grid.
为了降低模型误差，引入非均匀网格，并且自适应的在参数变化快的地方用较细网格，其他地方用较粗网格。
Hence, these local and parallel algorithms only involve one small original problem on coarse mesh and some correction problems on local fine grid.
因此，这种局部和并行算法仅仅涉及一个粗网格上的整体逼近和细网格上的局部校正。
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