Funding for this research was provided by:
National Natural Science Foundation of China under Grant (11575237)
National Magnetic Confinement Fusion Science Program (2015GB101001)
International Scientific and Technological Cooperation Project of Anhui (1704e1002207)
Article History
Received: 11 May 2018
Accepted: 31 July 2018
First Online: 10 August 2018