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2024, Vol. 43(1): 93-101    DOI:
 Application of ultra?short?duration passive source surface?wave imaging in identification of shallow surface cavities 
 
LIU Shiyu 1 , WANG Dian 1,2 , LI Zheng 1 
 1. College of Geo??Exploration Science and Technology, Jilin University, Changchun 130026, China; 
2. Geological Resources Stereo Exploration Virtual Simulation Experimental Teaching Center, Jilin University,   Changchun 130026, China
Received null  Revised null
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