In this paper, mathematical models of soil-water characteristic curve are studied and divided into four types by the patterns of mathematical models.

通过对土水特征曲线数学模型进行研究，依据这些模型的数学表达式形式，将其划分为四种类型。

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At the same time, aiming at the influences of soil-water characteristic curve, they make a series of tests discuss the different influences, provide effective references for the practical projects.

同时针对土水特征曲线的影响因素展开一系列试验，探讨不同影响因素对土水特征曲线的影响，为工程实践提供有效参考。

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In this paper, the concept and the method of scaling are described, and some examples of scaling of soil water characteristic curve and unsaturated hydraulic conductivity are given.

本文简述了标定的原理、田间土壤水分特征曲线和非饱和导水率的标定方法，还给出了水分运动参数标定的实例。

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