1·The characteristics of leaches of solid wastes from the earth surface, the law of leaches change and pollution mechanism on underground environment are studied by means of experiments.
应用实验的方法，研究了固体废物在地表淋滤条件下其淋滤液的成分变化特征，分析其变化的规律以及对地下环境的污染机理。
2·For the safety and normal usage of the city ground building, therefore it is extremely important to estimate the earth surface movement and displacement caused by tunnel construction.
为确保城市地面建筑的安全和正常使用，因此对隧道施工所产生的地表位移的预测极为重要。
3·As a part of the earth surface, the ground parking lot is one of the necessary traffic facilities in modern cities.
地面停车场作为地表的一部分，是现代城市中不可或缺的交通设施之一。
4·Which provides design reference and engineering parameters for the light weight steel portal frame construction to be used in earth surface deformation area.
为在地表变形地区采用轻钢门式刚架结构提供了设计依据和工程参数。
5·Ravine density, which is an important factor indicating the extent of the fragmentation of the Earth surface, plays a significant role in the research of soil erosion and landform evolution, etc.
沟壑密度是反映地表破碎程度的重要因子，在土壤侵蚀、地貌演变等研究中有重要作用。