求翻译：在运用土壤溶质运移方程时，除了考虑对流速度 、土壤密度 、弥散系数 和分配系数 ，还要考虑土壤水特征曲线是研究土壤中水分的保持和运动的基本资料，土壤科学工作者把土壤基质势和土壤含水率的关系称为土壤水特征曲线。土壤水特征曲线是反映非饱和土壤中的土壤水的能量状态与数量之间的关系。是什么意思？

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In the context of the use soil when a solute movement, apart from taking into account convection equations speed, soil density, dispersion coefficient coefficient and distribution, but also take into account soil moisture characteristic curve is the study of soil moisture conservation and movement i

When utilization soil solute migration equation, except consideration convection speed, compactness of soil, dispersion coefficient and distribution coefficient, but also must consider the holard characteristic curve is studies in the soil the moisture content maintenance and the movement basic docu

At the time of use of soil solute transport equations, apart from considering the convective velocity, density, and distribution coefficients of diffusion coefficient in soil, also taking into account the research on soil water characteristic curve is maintained and movement of soil moisture in basi

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