Funding for this research was provided by:
National Natural Science Foundation of China (51875150)
the Aeronautical Science Foundation of China (2018ZEP4006)
the Program for New Century Excellent Talents in University (NCET-10-0358)
the Major Projects of Natural Science Research for Universities in Anhui Province, China
Article History
Received: 20 January 2019
Accepted: 3 May 2019
First Online: 15 June 2019