surface topograhy

• 表面地形

surface topograhy的用法和样例：

例句

1. Soundness of the rock surface must be included in the topographic study.
   岩石表面的坚固性，必须包括在地形研究之内。
2. At the same time,the natural topography and general configuration of the earth's surface should be retained.
   同时要保持天然的地形地貌。