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		基于高密度电法的城市复杂环境岩溶探查研究——以贵港市北环新村为例
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			Karst exploration in urban complex environments based on electrical resistivity tomography: A case study of Beihuan New Village in Guigang City
			 
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		 图3. 温纳装置类型  | 
	
Fig.3. Schematic of the Wenner array  | 
	
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