感谢您的辛勤工作，也感谢您给我们修订的机会。根据您的批注，我们修改了文

Thank you for your hard work, thank you give us the opportunity revised. Based on your comments, we modified the article: 1 by deleting duplicate article 30 references, and references in the text have also been modified accordingly; 2 references in Article 28 of the Press added. position. In addition, we also re-checked again, and made some amendments. Here we attach two files: track change version of the revised model with all changes highlighted, and all the amendments in the revised version has been accepted.

Thank you for your hard work and for giving us the opportunity to revise. According to your comments, we have revised the article: 1. Delete the duplicate Article 30 reference, and the reference in the article has also been modified accordingly; In addition, we have re-examined it and made some corrections. We attach two files here: all changes in the version of track change are marked with revision mode, and all revisions in revised version have been accepted. ...

Thank you for your hard work and the opportunity to revise. According to your comments, we have revised the article: 1. We have deleted the duplicate Reference No. 30 and modified the reference in the article accordingly; 2. We have added the position of the publishing house to the reference No. 28. In addition, we rechecked it and made some corrections. We attach two files here: all changes in the version of track change are highlighted with the revision mode, and all changes in the revised version have been accepted.