Funding for this research was provided by:
the Humanities and Social Sciences Research Planning Fund Project in Ministry of Education (19YJAZH053)
the Opening Project of State Key Laboratory of Digital Publishing Technology (cndplab-2020-M003)
Ministry of Education Science and Technology Development Center Industry-University Research Innovation Fund (2018A01002)
Article History
Received: 20 June 2020
Accepted: 18 August 2020
First Online: 25 August 2020
Compliance with ethical standards
:
: The authors declare no conflict of interest. No conflict of interest exits in the submission of this manuscript, and manuscript is approved by all authors for publication.