Abstract Research on intelligent CAD system of railway new line is a very difficult project. This paper attempt to discuss some basic problems in detail，such as determining the system structure, selecting the develop environment and managing the information,etc.
Yi Sirong. RESEARCH ON SEVERAL BASIC PROLBEMS IN INTELLIGENT CAD SYSTEM OF RAILWAY NEW LINE[J]. Journal of Railway Engineering Society, 1997, 14(3): 97-102.
1997, Vol. 14 
