作者单位:CHEN Jian-ping,SHI Rui,WANG Li-mei,CHEN Zhen-ping(School of Earth Sciences and Resources,China University of Geosciences(Beijing),Beijing 100083,China;Institute of Land Resources and High Techniques,China University of Geosciences(Beijing),Beijing 100083,China;Beijing Key Laboratory of Development and Research for Land Resources Information,Beijing 100083,China)陈建平,史蕊,王丽梅,陈珍平(中国地质大学(北京)地球科学与资源学院,北京 100083;中国地质大学(北京)国土资源与高新技术研究中心,北京 100083;北京市国土资源信息开发研究重点实验室,北京 100083)