公路地理信息系统的框架；
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.
由其在公路管理中，它与传统的交通分析和处理技术紧密结合延伸出公路地理信息系统。
Especially in highway management, it has been developing into the geographical information system for highway by close integration with traditional traffic analyzing and treating techniques.
该体系由四个子模块组成：路面使用性能评价模块、路面使用性能预估模块、养护决策模块和公路地理信息系统等。
Specially, in performance evaluation module, road segment affects the precise of the result of evaluation and the method of building system. it is the base of the performance evaluation.
该体系由四个子模块组成：路面使用性能评价模块、路面使用性能预估模块、养护决策模块和公路地理信息系统等。
Specially, in performance evaluation module, road segment affects the precise of the result of evaluation and the method of building system. it is the base of the performance evaluation.
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