本文介绍了目前铁路地理信息系统(RGIS)的建设现状，对RGIS总体目标与建设中难点进行了讨论。
The general situation of Railway GIS (RGIS) as well as it's goal and difficulty is introduced firstly in this thesis.
本文介绍了目前铁路地理信息系统(RGIS)的建设现状，对RGIS总体目标与建设中难点进行了讨论。
The general situation of Railway GIS (RGIS) as well as it's goal and difficulty is introduced firstly in this thesis.
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