在借鉴了许多前人模拟经验的基础上，对模型进行了更接近实际情况的假设，建立了电弧的物理模型。
Based on many experience by other researcher, a hypothesis more nearing to reality has been used and a physical model of GTAW arc has been constructed.
本文在采用室内相似材料物理仿真模拟试验和非线性分形几何特征分析基础上，论述了榆次地裂缝的形成机理和基本发育特征与规律。
Based on indoor physical simulation and analyses of fractal geometrical characters, the mechanism of formation and the rule of basic development of the Yuci ground fissures are expatiated.
地球物理专业的数值模拟，大家可以参考，也可以在此基础上拓展。
Geophysical professional numerical simulation, we can refer to, they can build on this foundation.
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