本文介绍了管理信息系统的开发与设计理论。
The theory on management information system developing and designing is introduced in this thesis.
结合道路设计理论与交通规划理论，以地理信息系统为平台，开发道路选线优化模型。
A model for optimization of road route and alignment is developed based on road design theory, transport planning theory and GIS platform.
结合道路设计理论与交通规划理论，以地理信息系统为平台，开发道路选线优化模型。
A model for optimization of road route and alignment is developed based on road design theory, transport planning theory and GIS platform.
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