提出了分析含有有限体积的参数不同的材料的水平分层土壤中的接地网接地性能的方法。
Based on the method of moment and the boundary element method, an improved method to analyze the grounding system buried in multi-layer soil with finite volumes is presented.
实验测量了两层水平分层土壤结构下的接地电阻和土壤电阻率，证实了土壤分层模型的有效性和可靠性。
Finally grounding resistance and soil resistivity are measured under the condition of two-layer horizontal soil, and the model is proved to be reasonable.
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。
The numerical model of 1-d water infiltration and solute transport through layered soils is constructed by the characteristic finite element method.
现在，工程师一致认为合理的路堤施工要求土壤分层摊铺，洒湿或晾干至接近最佳含水量并压实。
Today, engineers agree that proper embankment construction requires that the soil be spread in layers, moistured or dried to something near an optimum moisture content, and compacted.
虽然在少耕制下，土壤钾有明显的分层分布但在土表附近，作物根系发达保证作物对钾有足够的吸收。
Even though potassium is stratified under reduced tillage, it is apparent that roots proliferate sufficiently near the soil surface to assume adequate potassium uptake by crops.
漫游者发现了分歧组成的分层的土壤层，具有地表下的水的迹象。
The rover found stratified soil layers of different compositions, with evidence of water below the surface.
森林植被通过林冠层、枯落物层和根系土壤层的分层拦截吸收，起到突出的减洪减沙作用。
Through the roles of interception and absorption of the canopy layer, litter layer, and root and soil layer, the benefits of flood and sediment reduction of forest vegetation are prominent.
本文针对土壤的热物性参数在深度方向存在分层的现象，结合传统的圆柱源模型和V。
The paper aim at the phenomenon of stratification on thermal properties of soil parameters in the depth direction, and combine the traditional cylindrical heat source model and the V.
本文针对土壤的热物性参数在深度方向存在分层的现象，结合传统的圆柱源模型和V。
The paper aim at the phenomenon of stratification on thermal properties of soil parameters in the depth direction, and combine the traditional cylindrical heat source model and the V.
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