提高了路网数据更新效率，增强了遥感资料在交通设施管理和规划上的潜在利用价值。
The efficiency of road network data update was improved. The potential value of using remote sensing data in transport facilities management and planning is enhanced.
利用GPS实现人员、设施定位，巡检轨迹采集以及缺失路网采集，为线路抢修、巡检是否到位监督和巡检路径规划提供数据；
The integrated system uses GPS to position staff and equipment, collect the patrolling route and deletion road network, and to provide data for emergent repairing, inspecting and route planning.
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