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提出了一种新的求参方法──“同定参数法”，按该方法求原状土样参数的原理设计制作了求参装置，在求参过程中，通过迭代法修正水分特征曲线，求得原状土样非饱和水力传导度。
Proposed a new method of seeking reference parameters - the “same parameters method”, according to the method of original soil sample parameters of the principle of the design and manufacture of seeking equipment, in the process of seeking parameters, through the iterative method to amend the water characteristic curve, obtained Unsaturated hydraulic conductivity of undisturbed soil samples.