Journal of Transportation Systems Engineering and Information Technology ›› 2007, Vol. 7 ›› Issue (3): 105-110 .
• Systems Engineering Theory and Methods • Previous Articles Next Articles
WEI Fang-hua, WU Qian, LIU Lan
魏方华 , 吴倩 , 刘澜
铁道第一勘测设计院, 西安 710043