1.Geophysical and Geochemical Survey Institute of Hunan Province, Hunan Green Intelligent Exploration;Engineering Technology Research Center, ChangshaHunan410114, China;2.Natural Resources Survey Institute of Hunan Province, ChangshaHunan410007, China;3.Guangxi JiuChongTian Zhihang Technology Service Co., Ltd., NanningGuangxi530201, China
P634.3