Because of the influence of karst, the construction mechanics response of highway tunnel in karst differs from that of common tunnel.

岩溶地区公路隧道因受岩溶发育程度、岩溶位置等的影响，其施工力学响应与一般隧道存在较大区别。

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When a tunnel construction passes through the surrounding rock with karst caverns, the displacement change characteristic of rock mass is different with the common tunnel.

隧道穿越既有溶洞岩体施工时，隧道围岩位移变化特性不同于一般隧道。

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I can tunnel X or VNC through, if there's a need for a graphics display, and all my other common activities are accessible from a command line.

如果需要有图形显示，我可以通过通道使用x或VNC，也可以从命令行访问其它所有常见活动。

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A common design looks like a high tunnel.Unlike a greenhouse, which uses a heating system, a hoop house is heated by the warmth of the sun.

VOA: special.2009.12.22

The spillage was near the Bell Common tunnel and the M11 junction.

BBC: Chemicals on M25

The condition is not as common as carpal tunnel syndrome, which affects nerves in the wrist.

CNN: More talking, more problems: 'Cell phone elbow' damages nerves

After the incident at the San Jose mine, the Chilean government tightened mine security measures across the country, but injuries and deaths due to tunnel collapses and rockfalls remain a common problem.

BBC: Chile slow search for miner trapped 100m underground