Gong, Xiaocheng
Hu, Aoxue
Li, Xuepeng
He, Jun
Wu, Zhongxing
Zuo, Xi
Ning, Pengbo
Funding for this research was provided by:
the National Natural Science Foundation of China (31470535)
the Fundamental Research Funds for the Central Universities and the Innovation Fund of Xidian University.
Article History
Received: 17 March 2018
Accepted: 27 February 2019
First Online: 8 March 2019
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