铁道工程学报  2009, Vol. 26 Issue (7): 33-37    DOI:
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Research on the Digital Earth—-based 3D Spatial Technology for Railway Route Selection
ZHU Ying1,PU Hao2,LIU Jiang—tao2,HU Guang—chang1
1.China Railway Eryuan Engineering Group Co.Ltd,Chengdu,Sichuan 610031,China;2.Central South University,Changsha,Hunan 410075,China
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