一种是需要经济运行的实时模拟，由庞大的数据库支持，运行很像目前在达拉斯市和德国北莱茵-威斯特法利亚地区所使用的交通预报模型。
One vision is a real-time simulation, fed by masses of data, that would operate rather like the traffic-forecasting models now used in Dallas and in the North Rhine-Westphalia region of Germany.
经理论和应用检验证明：该模型能以较高的精度模拟或预报土壤盐分在较长时期内的动态变化过程。
It is proved by theory and practice that this model is of higher precision on simulating and predicting dynamic process of soil soluble salts for a longer period of time.
在对系统模型概化的基础上，进行了潜水位的数值模拟和预报。
On the basis of the system model generalization, the water table is simulated and predicted.
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