horizon of soil meaning in Chinese

土层
土壤层次

At the same time , on the base of the analysis and study of the characteristic of sliding stability failure of loess slope in sanmenxia area , a method , which is suitable for many horizons of soil and slopes of different shape , is adopted to analyze the stability of four deep - cutting loess slope solid projects
同时，在对三门峡地区黄土边坡滑动失稳特征进行分析研究的基础上，采用了一种适合多种土层、不同坡型的边坡稳定性分析方法，对三门峡地区四处深路堑黄土边坡实体工程稳定性进行分析及评价。