http://reply.papertrans.cn/3/250/24938/24938-31.png
Submitted on: 26 September 2021.
Revised on: 12 October 2021.
Accepted on: 02 November 2021.
POLAR RESEARCH
Submitted on: 24 November 2023.
Revised on: 29 December 2023.
Accepted on: 24 January 2024.
POLAR RESEARCH
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http://reply.papertrans.cn/3/250/24938/24938-35.png
http://reply.papertrans.cn/3/250/24938/24938-36.png