The numerical model of 1-d water infiltration and solute transport through layered soils is constructed by the characteristic finite element method.
应用特征有限元法对一维非饱和分层土壤水分入渗方程及溶质运移方程进行离散化，得到了其特征有限元数值模型。
Based on the iterative solution of saturated-unsaturated quasi 3-d water flow model in large scale zone, a simplified model of solute transport was established.
在迭代求解区域饱和-非饱和拟三维渗流模型的基础上，建立区域溶质运移简化模型。
The flood routing in the flood diversion area of Baitan Lake, in Hubei Province, is calculated by the developed plane 2-d water mathematical model for flood diversion area.
运用改进的分蓄洪区平面二维水流数学模型计算了湖北省白谭湖分蓄洪区洪水演进的情况。
RBM (Regular Beam Model) dose engine is a kind of analytical method based on the measured database, which can calculate the dose distribution of the 3-D water box.
是一种基于测量数据库的解析剂量计算方法，可以用来计算三维纯水箱中的剂量分布信息；
RBM (Regular Beam Model) dose engine is a kind of analytical method based on the measured database, which can calculate the dose distribution of the 3-D water box.
是一种基于测量数据库的解析剂量计算方法，可以用来计算三维纯水箱中的剂量分布信息；
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