Natural grass slope自然绿草坡地
natural l slope天然斜坡
natural slope angle堆积角
natural slope scale自然坡面尺度
natural slope failure自然边坡失稳
natural slope stability自然坡稳定性
natural angle of slope自然倾斜角;安息角;天然边坡角
instability of natural slope自然坡失稳
natural l angle of slope安息角
The main achievements are obtained as follows in the paper:(1)The rock mass quality of spandrel groove high slope is fair. The natural slope and manmade slope of spandrel groove is stable as a whole.
论文获得的主要成果如下： （1）溪洛渡水电站边坡岩体质量较好，自然边坡和拱肩槽工程边坡整体上均处于稳定状态。
参考来源 - 溪洛渡水电站供肩槽高边坡稳定性研究N（名词） the maximum angle at which soil will lie in a bank without slipping 天然斜坡 [civil engineering]