About the Authors
- Qian Shen
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Roles Conceptualization, Data curation, Formal analysis, Investigation, Methodology, Project administration, Validation, Writing – original draft, Writing – review & editing
* E-mail: 93761556@qq.com
Affiliation English Department, North China Electric Power University, Baoding, Hebei, China
- Yating Tao
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Roles Conceptualization, Data curation, Formal analysis, Investigation, Methodology, Software, Validation, Writing – original draft, Writing – review & editing
Affiliation English Department, North China Electric Power University, Baoding, Hebei, China
Competing Interests
The authors have declared that no competing interests exist.