随着科学技术的发展，EH-4大地电磁测深法勘探技术，得到了快速的发展。本文简单介绍了EH-4大地电磁测深的基本理论，并通过实际的野外施工工作，资料分析和异常解释，了解了该地区的地质情况，为后面隧道施工提供地质依据。%With the development of science and technology, EH-4 magnetotelluric sounding prospecting technology has got rapid development. This article simply introduces the basic theory of EH-4 magnetotelluric sounding, and learns about the geology of the region through the actual field construction work, data analysis and anomaly interpretation, which provides geological basis for the tunnel construction.
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