Liu, Zhenbing
Xu, Tao
Ma, Chao
Gao, Chunyang
Yang, Huihua
Funding for this research was provided by:
National Natural Science Foundation of China (61562013)
Natural Science Foundation of Guangxi Province (2017GXNSFDA198025)
Innovation Project of GUET Graduate Education
the study abroad program for graduate student of Guilin University of Electronic Technology
the project of cultivating excellent degree papers for graduate students of GUET
Article History
Received: 20 August 2017
Revised: 2 February 2018
Accepted: 9 February 2018
First Online: 5 March 2018