Developing such an engineering geology information system supported by GIS and network technology is quite necessary and practical for any large hydropower projects geologic exploration survey.

对任何一个大型的水电工程勘察，对系统数据资料建立起GIS和网络技术为支撑的工程地质信息系统是十分必要和实用的。

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According to a concrete exploration survey task, the difficult problems which occur in exploration survey on expressway construction are solved by choosing suitable substance prospecting method.

针对具体的勘察目的，选择合理的物探方法可以有效地解决高速公路勘察中复杂的技术难题。

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Hanoi last month accused Chinese surveillance vessels of cutting the exploration cables of an oil survey ship inside the area.

上个月，河内指责在该海域中国侦察艇切断了其一艘石油探测船的电缆。

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Most working mothers return to work within a year of having a child, according to the 2009 report, "Opting-Out: An Exploration of Labor Force Participation of New Mothers, " based on the American Community Survey three-year data file for 2005-2007.

CNN: If Marissa Mayer can 'have it all,' can you?

But Joe Dyer, the chief strategy officer at iRobot, thinks oil-and-gas exploration will be a big market for the firm's gliders, because they can survey large areas of seabed in detail at low cost.

ECONOMIST: Fleets of robot submarines will change oceanography