不久前,世界上运营里程最长的高速铁路——京广高铁正式全线贯通,北京至广州的时间缩短至8小时左右。至此,中国的高速铁路初步成网,新建投入运营里程达到9349公里,成为世界上高速铁路发展最快、规模最大的国家。目前,国家规划的“四纵四横”高速铁路网仅差郑州至徐州高铁。作为京沪高铁 Not long ago, the Beijing-Guangzhou high-speed railway, the longest-running high-speed railway in the world, was officially opened across the board, shortening the time from Beijing to Guangzhou to about 8 hours. At this point, China’s high-speed railways were initially put into the network, and the newly-built operating mileage reached 9,349 kilometers, making it the fastest growing and largest country in the world for high-speed railways. At present, the state-planned “four vertical and four horizontal” high-speed rail network is only poor from Zhengzhou to Xuzhou high-speed rail. As Beijing-Shanghai high-speed rail