an equivalent medium model 等效介质模型
This method is based on the use of an "equivalent element medium" and the finite difference operator for an unsymmetrical star in anisotropic media.
在计算中引用了“等效单元介质”方法，采用各向异性介质中的不对称星形的差分算子计算程序。
An equivalent numerical simulation model that can describe the foam flowing rules in porous medium is constructed based on ultimate capillary pressure.
建立了一个基于临界毛管压力并能够描述多孔介质中泡沫流动规律的等效数学模型。
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