LIU Chennan 1, WANG Chao 2, LI Wenlong 1, YANG Shuwang 2,
MA Tianyu 1
(1. Natural Resources Research Institute of Heilongjiang Province, Harbin 150036, China;
2. School of Economics and Management, China University of Geosciences (Wuhan), Wuhan 430078, China)
(1.黑龙江省自然资源调查院,黑龙江 哈尔滨 150036