世界高速铁路概况及京沪高速铁路的建设准备

The General Condition of the World High speed Railway and the Pre research of Constructing Beijing Shanghai High speed Railway

介绍了世界高速铁路的建设、发展概况，国外高速铁路信号系统的发展情况及与既有线信号设备的区别，建设京沪高速铁路的必要性和前期研究准备情况。

The general condition of the world high speed railway's construction and development,and the development of overseas high speed railway signal system and the difference to existing railway signal device,and the necessary and pre research of constructing Beijing-Shanghai High speed Railway are outlined in this paper.