An indirect inverse substructure scheme for calculating the dynamic stiffness of discrete coupling unit-of-packaging was introduced. A formula was derived based on matrix theory.

提供一种间接计算离散化包装耦合体动刚度的逆子结构分析计算方法，依据矩阵理论推导了计算公式。

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Mathematical models of seepage in fractured rock can be classified into: continuum seepage model, discrete fracture network seepage model and continuum-discrete coupling seepage model.

当前裂隙岩体地下水渗流数值模型主要有三种：等效连续介质模型、离散裂隙网络模型和裂隙-孔隙双重介质模型。

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We adopt the coupling Discrete Random Walk Model for the study of the two-phase flow-field.

在两相流的研究中采用了相间耦合的随机轨道模型。

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