Ru, C. Q.
Article History
Received: 28 January 2023
Revised: 10 April 2023
First Online: 22 May 2023
Ethics
: <b>Conflict of interest</b> C. Q. RU is an editorial board member for <i>Applied Mathematics and Mechanics</i> (<i>English Edition</i>) and was not involved in the editorial review or the decision to publish this article. All authors declare that there are no competing interests.