中文摘要：

Changxi Ma is an Associate Professor of Lanzhou Jiaotong University. He is a doctoral student of Lanzhou Jiaotong University, He received his Master from Lanzhou Jiaotong University. His current research focuses on traffic planning and transportation economy. Lei Qi is a master student of Lanzhou Jiaotong University. His current research focuses on traffic planning, intelligent algorithm and transportation economy.