“中国高铁实现了三大突破:理论突破、技术突破、管理突破。依赖这些突破,中国一定能在2020年建成1.8万公里高铁网。”近日,84岁的机车车辆专家、两院院士沈志云在贵州作报告时如是说。沈志云表示,在高铁诞生以来的半个多世纪里,高铁理论并未形成,只有关于一般铁路的分散孤立的学科,例如:车辆动力学、受电 China’s high-speed railway has achieved three major breakthroughs: theoretical breakthroughs, technological breakthroughs and management breakthroughs. Based on these breakthroughs, China will certainly build 18,000 km of high-speed railway networks by 2020. "Recently, the 84-year-old rolling stock expert, Shen Zhiyun said in his report in Guizhou. Shen Zhiyun said that in the half-century since the birth of the high-speed railways, the theory of high-speed rail has not been formed, only scattered and isolated disciplines concerning the general railway such as vehicle dynamics,