本文论述了辽宁省高速公路地理信息系统的设计思想和实现方法。
The paper discussed design think and practice method of Geographical in formation system in Liaoning Expressway.
系统运用地理信息系统（GIS）技术实现了基础地理信息的管理功能；
By using the technology of GIS, the system fulfilles the function of administrating basic information in GIS.
结合郑州市消防指挥自动化系统的实现，对城市消防指挥地理信息系统的设计与实现进行归纳和总结。
Basing on the practice of automatic fire control system, the paper summarize the thought in design and practice of city fire control command GIS.
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