Numerical results are performed with two-level approximations, which demonstrate that the incremental unknowns method when combined with some iterative methods is very efficient.
给出数值试验，通过两层逼近证明增量未知元是一个好的预处理子，尤其在结合一些迭代方法时。
Numerical results are performed with two-level approximations, which demonstrate that the incremental unknowns method when combined with some iterative methods is very efficient.
给出数值试验，通过两层逼近证明增量未知元是一个好的预处理子，尤其在结合一些迭代方法时。
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