The regional water and salt balance model after improvement can describe the present situation of Hotan sub-project area and the simulation accuracy is better than before.
改进后的区域水盐平衡模型更为合理，更符合和田子项目区的实际情况，模拟精度也随之提高。
With the background of soil salinity in the plain of North China, a water-heat-salt movement of soil water in unsaturated-saturated region is studied by numerical simulation.
本文以我国北方平原的土壤次生盐化为背景，对土壤中饱和—非饱和水的水—热—盐一维运动模型进行了数值模拟。
Research provides the foundation for the water-heat-salt coupling simulation on freezing-thawing soils and the establishment of autumn irrigation schedule in Hetao irrigation District.
该研究结果为河套灌区冻融土壤水热盐耦合模拟的研究和秋浇制度的制定提供了基础理论依据。
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