roughness grade

基本解释

Surface roughness degree which represents characteristic quantity of grade of land surface roughness is nonlinear, and can be described by fractal dimension.
反映地表粗糙状况特征量的地表粗糙度是非线性的，可以用分形去刻划。
This article discussed from three-axis concrete pavement construction point of view briefly in the low-grade cement concrete pavement construction, how to control good road surface roughness.
本文从三轴式水泥混凝土摊铺机施工的角度出发，简要阐述了在低等级水泥混凝土路面施工中，如何控制好路面平整度。
Besides, CISOCAS can also correct the roughness between sections and effective cross sectional area which are important factors determining the hydraulic grade line before and after regulation.
此外，可以实时动态地修正影响整治前后水面线的重要因素——计算断面之间的糙率和有效过水面积。