Zhu, Zijiang
Li, Deming
Hu, Yi
Li, Junshan
Liu, Dong
Li, Jianjun
Funding for this research was provided by:
Characteristics innovation project of colleges and universities of Guangdong Province (No. 2019KTSCX235)
2017 of Guangxi Middle-aged and young teachers' basic ability promotion project (No. 2017KY0073)
2019 of Guilin science research and technology development project (No. 20190211-23)
Article History
Received: 7 February 2020
Accepted: 17 April 2020
First Online: 2 May 2020
Compliance with ethical standards
:
: There is no potential competing interests in our paper. And all authors have seen the manuscript and approved to submit to your journal. We confirm that the content of the manuscript has not been published or submitted for publication elsewhere.