Through an accident, this paper investigates the whole process with regard to any possible links which include site surveying, top machine and manual operations.

基于此，从测量放线、顶进机具、人为操作等各方面进行了全过程调查和分析。

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It takes years to fully develop a site, from surveying the geology, drilling test Wells, receiving permits, drilling working Wells and building generators.

从调查地质情况、钻测试井、获得开发许可到钻工作井和建设发电机组，现场的完全开发需要数年的时间。它也需要大量的资金。

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Courses include site planning, construction surveying, building systems drafting, technical writing, estimating, and related subjects.

课程有平面设计、施工测量、建筑系统拟草、专业写作、估计能力和相关学科。

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As the Israel Museum was planning an exhibition featuring the prized find, however, Netzer fell to his death while surveying the site.

BBC: Israel��s controversial King Herod exhibition

"We did have a Coast Guard helicopter crew fly for 60 miles up the shoreline there to see if they could spot any environmental impact and they weren't able to find anything, " he said, adding a Coast Guard boat surveying 15 miles south of the site also detected nothing.

NPR: Oil Leak: Miss. River At Vicksburg Remains Closed

The research, carried out after several years of surveying sea bottom and trial trenching, was devoted to set up a fixed network, to document the site and to excavate the shipwreck.

UNESCO: Regional advanced course on Underwater Archaeology conducted at Li?njan, Croatia | United Nations Educational, Scientific and Cultural Organization