For the development and utilization of water resources,comprehensive scientific investigation,survey and assessment must be undertaken. 开发利用水资源必须进行综合科学考察和调查评价。
Geological exploration of Western China is still inadequate,but further investigation and survey have proved huge potentials for discovering new mines. 西部地区地质勘查工作程度较低,通过进一步调查评价和勘查,发现新矿产地的潜力巨大。