At the foot of the drainage on embankment slope, there must be a drain, the depth and thickness of which must guarantee enough draining section when the surface is frozen.

贴坡排水层的底脚处必须设置排水沟或排水体，其深度或厚度应使水面结冰后，排水沟(排水体)的下部仍有足够的排水断面。

youdao

In this paper, a new method to determine sliding surface in terms fo the slope of the displacement curve is suggested.

在本文，笔者根据位移斜率提出了一种确定滑坡滑动面的新方法。

youdao

This paper analyzes the influence of the shadowing effect for different surface RMS slope.

本文分析了不同表面均方根率对遮蔽效应的影响。

youdao

Witnesses told the newspaper the situation was aggravated when bags of holy water by the gates burst in the confusion and created a dangerously slippery surface on the entrance slope.

CNN: Death toll from stampede at Angola stadium vigil rises