... finite-difference expression 有限差分表达式 finite-difference solution 有限差分解 finitely Abelian group 有限阿贝尔群 ...
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In the calculation, the mathematical model assumed by Winkler and its finite-difference solution are adopted.
计算采用文克尔假定的数学模型及其有限差分解。
The results of the precise integration method agree well with the theoretical solution and have higher precision than those of the finite difference method.
数值算例表明，用精细积分法得到的解与精确解十分吻合，比有限差分法具有更高的精度。
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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