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railway geographic information system
释义
railway geographic information system
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智能铁路
释
railway geographic information system
铁路地理信息平台
以铁路空间信息数据库为载体,以地理信息系统(GIS)技术为核心,以实现铁路空间信息和服务共享为目标的铁路信息化基础平台。
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