Others are bold, such as electrifying more track (only a third of Britain’s railway is electrified, low by Western standards) and building lines in crowded cities.

另一些则很大胆，比如使更多轨道电气化（目前只有三分之一的英国铁路实现电气化，低于欧洲标准），在人口密集的城市兴建新线路。

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This article, in regard of energy sources, explores the significance of electrifying the heavily trafficked railway main lines in our country.

本文从能源方面探讨了我国运输繁忙干线实现铁路电气化的意义。

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The minister said funds were allocated for "thousands of new carriages across the country, electrifying swathes of the rail network, and redeveloping many of our great railway stations" to address "crowding, cut journey times and improve passenger experience".

BBC: MPs criticise government's railway plan