One-dimensional general model of land subsidence due to pumping is deduced and a semi-analytical method is used to solve this deviatoric differential equation.
推导了以垂向有效应力为基本变量的一维地面沉降的普遍模型，并用半解析方法予以求解。
The research on multi-dimensional conservation laws is one of the most challenging direction in the field of nonlinear partial differential equation, it is very important and very difficult.
高维守恒律方程的研究是非线性偏微分方程的最具有挑战性的方向之一。
Two sets of algebraically explicit analytical solution are derived for the partial differential equation set describing the one dimensional unsteady gas-liquid two phase flow.
对气液两相非定常一元流动方程组导出了两套代数显式解析解。
Two sets of algebraically explicit analytical solution are derived for the partial differential equation set describing the one dimensional unsteady gas-liquid two phase flow.
对气液两相非定常一元流动方程组导出了两套代数显式解析解。
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