The formula of twist Angle of rail is derived and lateral displacements on the top of rail subjected to the several different loads are calculated by using the formula.

推导了钢轨扭转角的计算公式，并计算了几组不同荷载作用下的轨顶水平位移。

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China is the first and only country to have commercial high-speed train service on conventional rail lines that can reach a top operational speed of 350 km/h.

中国是第一个也是唯一一个在传统轨道线路上，拥有最高运营时速达到350公里的商业高速列车运行服务的国家。

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France broke the world rail-speed record when a high-speed train travelling on the new line from Paris to Strasbourg touched a top speed of nearly 575kph (357mph).

在巴黎到Strasbourg的铁路线上，一列高速列车打破了列车时速的世界记录，他的最高时速到573千米每小时。

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Tidal surge piled 24 rail cars on top of the New Jersey Turnpike near exit 12.

FORBES: New Jersey Governor Chris Christie Calls Damage To State 'Unfathomable' And 'Terrible'

Tuesday the Senate Committee on Commerce, Science and Transportation will haul in, among others, the chairman of the agency that oversees railroad mergers, the head of the Norfolk Southern railroad and a top official from the Government Accountability to discuss the state of competition in the freight rail industry.

FORBES: All Aboard