Xie, Zongxia
Li, Yingda
Funding for this research was provided by:
National Natural Science (61105054)
Commission for Collaborating Research Program, Key Laboratory of Solar Activity, National Astronomical Observatories, Chinese Academy of Sciences (KLSA201403)
Article History
Received: 24 April 2017
Accepted: 29 May 2018
First Online: 7 June 2018