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Authors
Li, Panpan
Wang, Mengxiang
Wang, Jian
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Funding
Funding for this research was provided by:
National Science Foundation of China (61602040)
China National Foundation in Social Science (15BYY140)
Supporting Plan for Cultivating High Level Teachers in Colleges and Universities in Beijing (CIT&TCD201904072)
Premium Funding Project for Academic Human Resources Development in Beijing Union University (JS10202003)
Beijing Municipal Natural Science Foundation (4202028)
the Academic Research Projects of Beijing Union University (JS10202003)
the Characteristic-disciplines Oriented Research Project in Beijing Union University (KYDE40201702)
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Article History
Received: 28 July 2020
Accepted: 4 November 2020
First Online: 27 November 2020
Compliance with ethical standards
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: These 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.
