The paper solved unsteady groundwater flow equation with the mentioned disperse pattern and the results have shown its stabilize astringency.
本文用它求解非稳定流地下水运动方程，并证明了算法稳定性及收敛性；
According to geologic model of unsteady groundwater flow in heterogeneous medium and adopting the finite difference solution, the direction and strength of oil gas migration can be quantified.
根据非均匀各向异性地层的非稳定的地下水流动模型，采用有限差分法求解，可以定量判断油气运移的方向及强度。
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