The paper predicts the changing tendency of groundwater resource in Changma alluvial fan by numerical modeling, applying the method of finite difference and irregular polygon cells.
应用有限差分方法，采用不规则多边形剖分，对昌马冲洪积扇区地下水资源数量的变化趋势进行了模拟计算。
The practical measured results of EME strength have the same changing tendency as the simulated results, which also testify the feasibility of the coupling method between EME strength and stress.
现场钻孔内不同深度EME强度测定结果基本上也呈现出与模拟结果相同的变化趋势，同时证明了力电耦合方法的合理性。
Conclusion This method has a good repeatability with high accuracy. It provides a rapid analysis for studies on the variety and changing tendency of organic acids in microbial synthesis.
结论此方法重现性好，精密度高，为研究微生物合成中有机酸种类及变化趋势提供了一种可供参考的快捷分析手段。
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