The technology of spatial query and analyse is one of the key points in the development of Geographical Information System (GIS).
空间查询分析技术是地理信息系统研发中需要解决的核心技术之一。
GIS is a kind of information system which takes geographical data as the center, computer softerware and hardware as the platform, and spatial location related query as the motive.
地理信息系统（GIS）是以地理信息数据为中心、计算机软硬件设施为平台、空间位置密切相关的信息查询分析为目的信息系统。
The intelligent query system of the city traffic route is implemented at last by use of artificial intelligence, geographical information, multimedia technology, and so on.
运用人工智能、地理信息、多媒体等技术，实现了城市交通的智能咨询。
The intelligent query system of the city traffic route is implemented at last by use of artificial intelligence, geographical information, multimedia technology, and so on.
运用人工智能、地理信息、多媒体等技术，实现了城市交通的智能咨询。
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