Caption :TAKING THE HIGH ROAD: People walked on an abandoned elevated rail line in New York Monday.

描述：铁道变公园：人们周一行走在纽约一段废弃的高架铁路线上。

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The origin and the hazard of rail potential and the factors which impact on the elevated rail potential have been analyzed.

地铁轨道电位的异常是影响列车安全稳定运行的重要因素。对轨道电位的产生、危害及影响轨道电位升高的因素进行了分析。

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In light of the rail potential anomalies happend in Nanjing metro Line 1, this paper provides a general analytic method, discuses the different reasons for the elevated rail potential.

结合南京地铁1号线轨道电位异常的问题，提出了轨道电位异常分析研究的一般方法，以及针对不同原因导致轨道电位升高的处理方法。

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Built 30ft above the streets, on a long -abandoned, elevated freight rail line, the public park is now double in size.

BBC: New York��s floating freight line

The airport, the two main rail stations, an elevated railway and all motorways into the city will be shut.

CNN: Genoa braces for G8 summit

Five new platforms, an elevated railway, a new station entrance and a new train depot are among the improvements laid out by Network Rail.

BBC: Station area's ?4.3m cash boost