Spatial Database is one of the important part in national spatial infrastructure.
空间数据库是国家基础设施的重要组成部分。
Urban spatial data infrastructure is the core of the basic layer of digital city.
城市空间数据基础设施是数字城市基础层的核心。
It offers all kinds of up-to-date spatial data sources for the whole urban, and it offers uniform and standard spatial data infrastructure for the layout building management and service of urban.
它为整个城市提供各种现势性的空间数据信息源，为城市规划、建设、管理和服务提供统一的、标准的空间数据基础框架。
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