An unsteady two-dimensional soil temperature field model is established using the limited difference method in this paper.
在前人研究基础上，用有限差分方法建立了一个非稳态二维地温场的数学模型。
To solve this question and assure the analysis precision, this article USES the analytic method combines the limited difference method, to gain the sensitivity of the aerodynamic parameter.
为解决这个问题并保证灵敏度分析精度，本文提出用解析法与有限差分法法有机结合的方法对气动参数进行灵敏度分析。
The study shows that limited difference forward method has higher precision and computing speed in Geo-electrical forward modeling.
研究表明，利用有限差分数值方法进行复杂地电模型的正演计算，计算速度快，计算结果精度较高。
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