There are data obtaining and updating system, Database system, network system, industry spatial data engineering system and data standard system in the engineering collectivity.
工程总体包括数据获得和更新体系、数据库体系、网络体系、行业空间数据工程体系和数据标准体系等。
The near neighbor pair query of the datasets in the network has important application in geographical information systems, query in the network and spatial database.
网络环境下的数据集中的近邻对查询在地理信息系统、网络查询和空间数据库等领域有着重要的应用。
The paper analyses the spatial data and attribute data of urban transit network and builds the urban transit information database based on GIS technology.
分析城市公交网络的各种空间实体数据和属性数据，建立了基于GIS的公交网络信息数据库。
The paper analyses the spatial data and attribute data of urban transit network and builds the urban transit information database based on GIS technology.
分析城市公交网络的各种空间实体数据和属性数据，建立了基于GIS的公交网络信息数据库。
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