Funding for this research was provided by:
the National Natural Science Foundation of China and National Safety Academic Foundation of China (U1730129)
The Cultivation Foundation of National Defense Large Projects of China (NP2018450)
Jiangsu Innovation Program for Graduate Education (CXLX13_167)
Article History
Received: 25 December 2019
Accepted: 7 July 2020
First Online: 25 July 2020