此外，还有一些影响气候的过程，如科学家们不知道如何模拟的土地利用的变化。
Moreover, there are processes that influence climate, such as modifications in land use, that scientists do not know how to simulate.
本文在比较分析了有关ANN设计的方法的基础上，通过反复试验构造了模拟土地利用变化的ANN模型。
Thesis constructs ANN models to simulate land use changes by trial and error on comparing the methods of constructed ANN.
从资金利用和土地利用两个方面模拟出槾桔生产经济效益变化的数学模型，经过技术经济分析，找出槾桔树的最佳经济寿命为树龄33年左右。
Two mathematical models of economic benefit change were simulated. As a result of technical economical analysis, the optimal economic life-span was found to be about 33 years old.
通过GIS建模 ，本文分析了我国土地利用的变化与其影响因子之间的相互作用关系 ，并着重对耕地的变化及其空间分布进行了模拟。
Through GIS modeling, this paper reveals the factors that determine the distribution of the different land use types, and special emphasis is put to cultivated land.
模拟结果表明，土地利用结构与格局的变化，使得暴雨洪水的最大洪峰流量和洪量加大，汇流时间变短。
The modeling result shows that land use structure and pattern change results in the increase of maxi- mum flood peak and flood discharge and the decreases of runoff concentration time.
模拟结果表明，土地利用结构与格局的变化，使得暴雨洪水的最大洪峰流量和洪量加大，汇流时间变短。
The modeling result shows that land use structure and pattern change results in the increase of maxi- mum flood peak and flood discharge and the decreases of runoff concentration time.
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