Sit in front and you get a picture-window forward view as the train tears through a dark tunnel.

当列车穿越漆黑的隧道，靠前坐，你可以将落地玻璃窗外的景色一览无遗。

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A view of the LHC (large hadron collider) in its tunnel at CERN near Geneva, Switzerland is shown in this 2007 file photo.

上面的视图，是2007年在靠近瑞士日内瓦的欧洲核子研究中心的隧道中的LHC(大型强子对撞机)的文件照片。

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This paper made some investigation about the permissible concentration limits about contaminations in roadway tunnel from the point of view of the effects on the body.

本文针对该隧洞的特点依据保障隧道内乘驶机动车各人员健康、卫生和隧道的营运安全为原则对污染物浓度设计限值进行了研究。

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Customers on Heathrow Express can use a Wi-Fi HotSpot service with a broadband connection of 2 Mbps throughout their entire journey -- even through a six-kilometer tunnel, helping travelers check their emails, view flight information or keep up-to-date with the latest news.

WSJ: Cutting Down On the To and Fro