The surface is the relatively thin covering of soil and unconsolidated rock waste . 浮土是由土壤和未固结岩屑组成的比较薄的覆盖层。
2.
In this unique wetland environment , whole villages sit on floating islands on the lake 环境湖湿的此地是唯一把所有村庄都建在湖中浮土上的地方。
3.
It is difficult to carry out geological mapping in some areas where are covered by quick soil or vegetation , or the demorhism there is acute 在浮土覆盖广泛、植被发育或者风化剧烈的工作区，地质工作往往很难进行。
4.
Researching and summarizing an effective set of methods of field works and interpretation according to the southern area of china which has dip topography , thin soil and complicated geological circumstance 并就中国南方地区地形切割强烈、浮土较薄、地质情况复杂等客观实际，研究总结了一套行之有效的野外工作和解释方法。
