The appropriate random walks model was offered and the method could be tested and verified with living example.
文中给出了相应的随机游动模型，并通过实例计算加以验证。
Equivalent elastic properties of asphalt mixture were obtained by the method of average volume after establishing the 3d random lattice model with appropriate load and boundary conditions.
通过建立沥青混合料的三维随机格形模型，加载适当载荷和边界条件求解后，采用体积平均法得出混合料等效弹性性质。
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