Urt is a big project with high building and operating cost and long financial period .
城市轨道交通是一项建设和运营成本高、财务周期长的巨型工程。
A correct evaluation of the investment impact on urt benefits helps to make decisions for the strategic development of it .
正确评估城市轨道交通产业的投资效应大小,有利于正确制定其发展策略。
Structural design for shilong rd. parking and repairing depot on shanghai urt line3 .
上海轨道交通3号线石龙路停车场停车库结构设计。
Based on the analysis of railways serving as urt both at home and abroad , this article deems it necessary and feasible that railways contribute to urban public transport .