This paper introduces the present status of construction of tunnel projects home and abroad, explains the mechanism and shoring method of weak wall rocks and excavation of unfavorable tunnels.

本文介绍了国内外隧洞工程施工的现状，阐述了软弱围岩和不良地质隧洞开挖失稳的机理和支护方法。

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The magmatic evolutionary series shows a general trend of evolution from high to low basicity of magma, from great to shallow depths of magmatic intrusion and from strong to weak wall-rock alteration.

岩浆演化序列表现出岩浆基性程度由高变低、侵入深度由深变浅、围岩蚀变由强变弱的总体演化趋势。

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With a last weak "cri-cri-cri", the poor Cricket fell from the wall, dead!

可怜的蟋蟀发出最后一声微弱的 “唧——唧——唧” 的叫声，从墙上摔了下来，死了！

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The losses followed weak from Wall Street Monday, when U.S. stocks hit their lowest levels in a month, as investors returning from a long weekend got their first chance to react to Friday's jobs report.

WSJ: Asian Markets End Mostly Lower

Friday's weak jobs report (See "Weak Jobs Data Sinks Wall Street") roiled Wall Street (See " Wall Street Needs A Weekend").

FORBES: Magazine Article

But his weak pass caromed off the wall and toward the left post, and Parise stuffed the puck home before Quick could recover.

WSJ: Devils Beat Los Angeles Kings 2-1, Extending Stanley Cup Finals to Game 6