隧道超前地质预报是工程地球物理研究中疑难问题之一。
Geologic forecast of tunnel is one of the difficult problems in the researches of engineering geophysics.
隧道地质超前预报关系到隧道工程施工质量和安全，是国内外研究的前缘课题，也是工程地球物理研究中的疑难问题之一。
The geological prediction of tunnel is an important problem for construction quality and safety, and also a difficult object for engineering geophysics.
标砖一朝发生这些个疑难题目，施工将被打乱，严重影响修建物的施工进度和工程质量。
Once these defects exist on the bricks, they will seriously affect the progress and quality of the building's construction and throw the project into confusion.
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