地质图空间数据库的建立对于基础地质图件的快速更新、信息资源共享以及基础地质科学研究具有重要意义。
The construction of the geological map spatial databases has great significance for the fast renewing of basic geological maps, sharing of information resources and study of basic geoscience.
以贵阳市中心城区为试验区，建立城市资源环境信息系统空间数据库。
The spatial database of the urban resources and environment information system was established in the central area of Guiyang city.
随着信息技术在国土资源部门的广泛应用，空间数据库理论、技术和实践日臻成熟。
As the application of information technology enlarges its scope in the fields of land and mineral resources, the theory, technology and practice of spatial database concept become very complete.
沉陷地土地资源信息随着煤炭的开采而不断变化，所以，矿区土地复垦空间数据库是一个时态数据库。
The spatial information database of land reclamation is a temporal database due to the change of land resource with the coal mining.
沉陷地土地资源信息随着煤炭的开采而不断变化，所以，矿区土地复垦空间数据库是一个时态数据库。
The spatial information database of land reclamation is a temporal database due to the change of land resource with the coal mining.
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