1. School of Geological Engineering and Geomatics, Chang’an University, Xi’an, China
2. Key Laboratory of Western China’s Mineral Resources and Geological Engineering, Ministry of Education, Xi’an, China
3. Key Laboratory of Ecological Geology and Disaster Prevention, Ministry of Natural Resources, Xi’an, China
4. Department of Civil-Military Integration and Achievement Promotion, Shaanxi Provincial Military and Civilian Integration Information Center, Xi’an, China