以下为句子列表：
英文: Abstract: Using the convective-dispersive equation and based on labo ratory exp eriment, the hydrodynamic dispersion coefficient of unsaturated soil is determi n ed under different inial soil water content, different manner of water infiltra t ion and fer
中文: 文摘:用非饱和土壤水动力弥散方程及其解析解，在室内试验的基础上，研究了非饱和土壤在不同初始含水量、不同入渗方式及不同加肥方式下的水动力弥散系数。
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英文: Based on the calculation model and theory of saturated-unsaturated soil seepage, this passage takes the influence of unsaturated zone in seepage field on dam seepage into account, and it also does the seepage finite element calculation and analysis for a
中文: 基于饱和－非饱和土渗流计算模型与原理，本文考虑渗流场非饱和区对堤坝渗流的影响，对某土石坝进行了渗流有限元计算与分析。
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英文: In addition , at NCKU-RE study site , collections of soil water contents and data of rainfall estimate infiltration and runoff in homogeneous unsaturated soil profiles ,after net fuzzy-neuro training ,to analyze soil infiltration behavior and determine th
中文: 中文摘要本研究主要目的将现地资料含水量，运用模糊类神经网路去做训练，在考虑降雨与土壤含水量，进行未饱和层剖面之地表入渗、迳流分析与推估。
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英文: It is analyzed that the impacts of vegetation type on shear strength of unsaturated soil through direct shearing tests for unsaturated soil of different depth and various vegetation types which consist of hare soil, tanglehead grassplot, switch sorrel shr
中文: 摘要通过对裸地、扭黄茅草地、车桑子灌木林地和按树林地四种不同植被类型、不同深度土壤在天然含水量情况下的直剪试验，研究了植被类型对非饱和土抗剪强度的影响。
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英文: The results show that the cohesion of unsaturated soil changes greatly, and the friction angle changes a little with soil moisture content It is also shown that the deeper of soil layer, the smaller of the extent of shearing strength improved.
中文: 结果表明，植被具有提高非饱和土抗剪强度的作用，黏聚力增加较大，内摩擦角增加相对较小；土层越深，土壤抗剪强度提高的程度越小。
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