作者单位:ZHAO Xinmei,Xu Yuanliu(College of the Earth Sciences and Resources,China University of Geosciences,Beijing,China,100083)赵欣梅,徐元柳(中国地质大学地球科学与资源学院 北京 100083)YAN Bokun,Yang Suming(China Aero Geophysical Survey & Remote Sensing Center for Land and Resources,Beijing,China,100083)闫柏琨,杨苏明(国土资源部航空物探遥感中心 北京100083)