Parameters in Normal Equation are modified by using MATLAB and we can get the calculating model of K factor suitable for the Loess and Sandy slope soil of highway.
运用Matlab对诺模方程进行了修正，得到了适用于公路沿线地区黄土和风沙土高速公路边坡的土壤可蚀性因子K的计算模型。
To get the more accurate calculating model of K fact, so as to use the universal soil loss equation to obtain a much more precise estimation of soil loss amount of highway slope in HubeiProvince.
以期得到更为准确的K因子计算公式，从而通过美国通用土壤流失方程更加准确的预测湖北省高速公路边坡水土流失量。
Hau K t, Wen Z, Cheng Z. Structural Equation Model and Its Applications (in Chinese). Beijing: Educational Science Press, 2004.
侯杰泰，温忠麟，成子娟。结构方程模型及其应用。北京：教育科学出版社，2004。
Hau K t, Wen Z, Cheng Z. Structural Equation Model and Its Applications (in Chinese). Beijing: Educational Science Press, 2004.
侯杰泰，温忠麟，成子娟。结构方程模型及其应用。北京：教育科学出版社，2004。
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