建立了一维非饱和土壤中溶质运移的特征有限元数值模型。
The numerical model of one-dimensional solute transport through unsaturated soils is formulated by characteristic finite element method.
辐射边界条件的选定，完善了本文建立的有限元数值模型。
Selection of radiation boundary conditions makes the numerical model in this paper become perfect.
建立了一维非饱和土壤水分垂向入渗的特征有限元数值模型。
The numerical model of one-dimensional vertical water infiltration through unsaturated soils is constructed by characteristic finite element method.
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