作者单位: | Huang Yishao(Coll.of Economics and Management,Nanjing Univ.of Aeronautics and Astronautics,Nanjing 210016,P.R.China;School of Traffic and Transportion Engineering,Changsha Univ.of Science and Technology,Changsha 410004,P.R.China);Zhou Dequn(Coll.of Economics and Management,Nanjing Univ.of Aeronautics and Astronautics,Nanjing 210016,P.R.China);Chen Xiaoxin(School of Information Technology,Jiangxi Univ.of Finance and Economics,Nanchang 330013,P.R.China);Du Lin(School of Information and Communication Engineering,North Univ.of China,Talyuan 030051,P.R.China) |