Study showed naturalresourcesofgroundwater were reducing in recent years influenced by climates and human engineering activities.
研究表明，因受气候、人类工程活动等影响，区内地下水天然资源近十几年来呈逐渐减少趋势。
2
Groundwater is not only the valuable naturalresources, but also the basic element of environment.
地下水是一种宝贵的自然资源，同时又是环境的基本要素。
3
The resourcesofgroundwater in basalt and the natural drinkable mineral spring in the Changbai Mountain area have great prospects in their exploitation and utilization.