According to the beneficial influence of superelevation to the flatcar bottom raised from rail surface, it is advised that the suitable superelevation ( 20-30 ) mm is necessary in the minimum radius curve negotiation. 根据超高对车底轨面高度抬高的有利影响，建议在最小半径曲线通过时应当有适当的超高量（20-30）mm。
Development of the situation raised new requirements on rail transport, as the continuous development of modern railway technology. 现代铁路技术的不断发展，对铁路运输专业教学提出了新的要求。
China has blamed rampant mismanagement in its railway industry for a train collision that killed 40 people and raised doubts about its high-speed rail system. 中国已将一起导致40人死亡的列车追尾事故归咎于铁路行业普遍管理不善。这起事故令人对中国的高速铁路网络产生疑虑。
China's rail industry was dealt a major setback a year ago, when a deadly high-speed train collision near the eastern city of Wenzhou raised questions about whether the country's rail ambitions were moving too fast. 一年前，中国铁路行业遭受了严重打击。当时，温州附近发生特大高速铁路撞车事故，引发外界质疑中国在铁路项目上的雄心是否膨胀得过快了。
