腾讯网7月25日发表郎咸平文章说:近期高铁意外频发,让人质疑中国到底有没有必要建高铁?铁道部曾表态要解决春运难问题,就要增加运力、提高运速,就必须建高铁。提速就解决问题了吗?德国高铁速度不是最快的,相当于中国动车的水平,但是密度是中国高铁的30倍。这就说明 Tencent July 25 published Lang Xianping article said: The recent frequent high-speed rail, people questioned China in the end there is no need to build high-speed rail? Ministry of Railways had stated that to solve the problem of the Spring Festival transportation, it is necessary to increase capacity, speeding up, we must build High-speed rail. Speeding to solve the problem? German high-speed rail speed is not the fastest, equivalent to the level of China’s motor car, but the density is 30 times the high-speed rail in China. This incidates that