风化层 alteration mantle; c horizon; chorizon; mantle of rock; mantle of soil; mantle ... 残余风化层 residual regolith; residualregolith ..
2
?土被
... mantle of glacial drift 冰碛物覆盖 mantle of soil土被 mantle of waste 风化残积 ...
双语例句
1
This system is used for dividing the types of the soilmantle structure in Weinan administrative region.
并应用这个系统划分了渭南地区土被结构类型系统。
2
The classification system ofsoilmantle is set up and is Characterized by spatial order ofsoilmantle considering the spatial ground the types of landforms.
以土被结构空间有序为特征，充分考虑土被各种空间基础，即地貌类型，建立土被结构分类系统。
3
The research indicates that red clay and mantle rock soil, which distribute both sides of gully and with rich groundwater, are better for shallow-root tree to grow.