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考虑了二次梯度项的非线性双重介质模型。
A nonlinear dual-porosity model considering a quadratic gradient term is presented.
此外，相应于次梯度算法的实现方式，提出两种分布协调结构。
In addition, two coordination frameworks were proposed corresponding to the two implementing ways of sub-gradient algorithm.
考虑了二次梯度项影响的非线性径向流动问题的无限大地层和有界地层渗流模型。
The models of the nonlinear radial flow for the infinite and finite reservoirs including a quadratic gradient term were presented.
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