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Authors
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Funding
Funding for this research was provided by:
National Natural Science Foundation of China (11575142)
111 Project (D18004)
the students' innovation and entrepreneurship training program of school of cultural heritage, Northwest University (2019WYYCY-04)
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Article History
Received: 26 March 2020
Accepted: 25 November 2020
First Online: 8 December 2020
Ethics approval and consent to participate
: This article does not contain any studies with human participants or animals performed by any of the authors.
: The consent for the publication of details and images in the manuscript are obtained from all participants.
: The authors declare that they have no competing interests.
