Zou, Yunling
Li, Yan
Lian, Xiaoxue
Xie, Yao
Song, Xinyuan
Wang, Mengmeng
Tian, Zhenyu
Funding for this research was provided by:
the Undergraduate Training Programs for Innovation and Entrepreneurship of Civil Aviation University of China (201910059060)
Article History
Received: 20 May 2020
Accepted: 7 July 2020
First Online: 17 July 2020
Compliance with ethical standards
:
: On behalf of all authors, the corresponding author states that there is no conflict of interest.