该文探讨和介绍了地下水运动中几类常用的随机微分方程模型与求解方法。
This paper discusses and introduces several kinds of commonly used model of stochastic differential equation and the method of solution in the groundwater movement.
本文研究了在模拟地下水介质中，粘土对硒的吸附(解吸)规律和等温吸附方程。
In this paper the sorption (desorption) behaviour of selenium (in simulated groundwater) (with clay) and the sorption (desorption) isotherm equation was studied.
本文用它求解非稳定流地下水运动方程，并证明了算法稳定性及收敛性；
The paper solved unsteady groundwater flow equation with the mentioned disperse pattern and the results have shown its stabilize astringency.
在此基础之上，探讨动态的地下水储量方程，并归纳出影响地下水储量的因素。
And then, it discusses the dynamic ground water storage equation and finds the factors that affect the aquifer storage.
在此基础之上，探讨了动态的地下水储量方程，并归纳出影响地下水储量的因素。
And then it discusses the dynamic ground storage equation and finds the factors that affect the aquifer storage.
以水均衡方程为基础，应用时间序列分析法，建立系统管理模型，对地下水资源系统进行系统运行控制、预测和管理。
Systematic management model is set up by time series analytic method based on water balance equation to control, predict and manage groundwater resources system.
根据地下水的连续方程和变分原理建立渗流场微分方程。
Based on the continuity equation of ground water and the variation principle, the seepage differential equation can be acquired.
针对模型求解上存在的困难，建立了一类伴随方程方法，解决了大规模地下水管理问题在内存上的困难，最后给出了一个算法和计算框图。
For solving this model, an adjoint equation approach is presented, which can overcome the difficulty of computer storage. Finally, an algorithm and a flow chart are given.
本文首先介绍了地下水在岩土层中的渗流要遵循渗流运动方程和连续性方程，在此基础上得到了稳定渗流的微分方程序。
First the groundwater movement equations and continuum equations are derived, and accordingly the differential equations of groundwater steady seepage are derived.
本文运用反演建模和自记忆性方程相结合的方法，建立了地下水位动态预测模型。
The prediction model of groundwater level dynamics was established using the combinative method of retrieved model and self-memorization equation in this paper.
针对孔隙介质中地下水流动问题提出了一种并行数值计算方法，并基于此设计了一套专用于求解大规模三维地下水流动方程的并行计算模块。
This paper presents an efficient parallel computing method for large-scale groundwater flow simulation in porous media, and it is implemented in a prototype tool.
建立了系统的水文地质概念模型和地下水流模拟模型，采用基于有限差分方法的MODOFLOW软件对所建立的三维地下水流方程进行了求解。
On the basis of a conceptual model in the area, a 3-dimensional groundwater flow model is developed and calibrated by MODOFLOW, which is based on finite difference system.
建立了系统的水文地质概念模型和地下水流模拟模型，采用基于有限差分方法的MODOFLOW软件对所建立的三维地下水流方程进行了求解。
On the basis of a conceptual model in the area, a 3-dimensional groundwater flow model is developed and calibrated by MODOFLOW, which is based on finite difference system.
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