机译:The first semi-airborne transient electromagnetic survey for tunnel investigation in very complex terrain areas
Geotechnical Engineering Research Center Shandong UniversityGeotechnical Engineering Research Center Shandong UniversityGeotechnical Engineering Research Center Shandong University||Laboratory of Earth Electromagnetic Exploration Shandong University;
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Geotechnical Engineering Research Center Shandong University||Laboratory of Earth Electromagnetic Exploration Shandong University;
Guangxi Communications Design Group Co. Ltd.;
Complex terrain areas; Semi-airborne transient electromagnetic method; Tunnel investigation;