About the Authors
- Yang Yu
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Roles Conceptualization, Data curation, Formal analysis, Funding acquisition, Investigation, Methodology, Project administration, Resources, Software, Supervision, Validation, Visualization, Writing – original draft, Writing – review & editing
* E-mail: yuyang89@dlmu.edu.cn
Affiliation School of Foreign Languages, Dalian Maritime University, Dalian, China
- Yingying Xu
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Roles Data curation, Formal analysis, Investigation, Supervision, Validation, Writing – review & editing
Affiliation School of Foreign Languages, Dalian Maritime University, Dalian, China
- Yongkang Wu
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Roles Data curation, Investigation, Software, Writing – original draft
Affiliation School of Foreign Languages, Dalian Maritime University, Dalian, China
Competing Interests
The authors have declared that no competing interests exist.