即用百分数来表示坡面与水平投影面的比值 坡度系数=cota (a为斜坡与水平面夹角)=邻边（宽）/ 对边(高）
由于土壤细沟侵蚀的发生，WEPP模型低估了两种ESP土壤在大坡度情况下的坡度系数。
The WEPP model underestimated slope factor at great slope steepness for both ESP soils due to hill erosion.
对于森林流域和灌木流域，其多年平均径流系数主要受多年平均降水量、多年平均蒸散量和平均坡度共同影响；
For forest watershed and shrub watershed, the annual mean runoff coefficient was affected by mean annual precipitation, mean annual evapotranspiration and mean slope grade.
通过对门式刚架的整体稳定分析，研究了刚架的高跨比、斜梁坡度对结构的稳定和计算长度系数的影响。
Through over-all stability analysis, the influence of height-span ratio, rafter slope to the stability and the effective factors of gable portal frames are also presented in this paper.
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