以下为句子列表：
英文: Seawater intrusion is modelled as a nonlinear system of coupled two parabolic partial differential euqaitons, of which one is the pressure flow equation and the other one is the concentration equation of convection-dispersion type.
中文: 摘要海水入浸问题的数学模型是两个耦合抛物型偏微分方程，其中一个是关于压力的流动方程，另一个是关于浓度的对流扩散方程。
更详细...
|
