Geography Information System for Railway Device of Tinan Adiministration
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引用本文: | 张勇志, 刘仍奎. 济南铁路局铁路运输设备地理信息系统[J]. 铁路计算机应用, 2001, 10(9): 9-11. |
Citation: | Geography Information System for Railway Device of Tinan Adiministration[J]. Railway Computer Application, 2001, 10(9): 9-11. |