“近水解近渴”可望又可及我国铁路实现高速化、重载化和信息全线运输自动化，是技术发展的既定方向。建设时速２５０～３００ｋｍ以上６４高速铁路将以试验段的形式起步。而以较小的投资、较短的周期，对主要繁忙的既有干线进行强化改造，把扩能与提速结合起来，将客车时... “Near the hydrolysis of thirst,” is expected and China’s railways to achieve high-speed, heavy and full automation of information transportation is the established direction of technological development. Construction speed of 250 ~ 300km 64 high-speed railway will be the pilot section of the form of start. With a smaller investment, shorter cycle, the main busy existing trunk line to strengthen the transformation, the expansion and speed combined, the bus when ...