Chen, Yu
Gong, Liang
Liu, Xinyuan
Chen, Xingshu
Yang, Shenghong
Luo, Yongjun
Funding for this research was provided by:
The second Tibetan Plateau Scientific Expedition and Research Program (2019QZKK0607)
Key Project of the Logistics Research Program, PLA (BLJ18J005)
The National Natural Science Foundation of China (81571843)
Article History
Received: 26 August 2019
Accepted: 5 June 2020
First Online: 29 June 2020
Competing interests
: The authors declare no competing interests.