Analysis of the difference between landscape surface area and vertical projection area in the Hengduan Mountains: a case study of Yajiang county
LIU Xingyu, ZHOU Guangsheng, Lü Xiaomin, REN Hongrui
Bulletin of Surveying and Mapping . 2021, (8): 37 -41 .  DOI: 10.13474/j.cnki.11-2246.2021.0237