overlying ground

基本解释

On clear winter nights, the ground and overlying air cool off rapidly, especially at high elevations.
在冬季晴朗的夜晚，地面和上方的空气迅速冷却，在高海拔地区更加明显。
In order to realize safety mining of mine, it is necessary to research on the overlying formation's movement rule caused by underground mining and its effect on the ground surface movement.
为实现矿山的安全开采，必须对地下开采引起的上覆岩层的移动规律及其对地表移动的影响进行研究。
The existence of overlying shallow karst is very harmful to the stability and safety of ground and building.
覆盖型浅埋岩溶的存在，给地基的稳定及建筑物的安全造成很大的威胁。