The specific format requirements of mathematical modeling papers are as follows: 1. The paper is printed on one side of white A4 paper, with a margin of at least 2.5 cm left and right, and bound from the left.

The first page of the document is the commitment letter. See the second page of this specification for the specific content and format.

3. The second page of the test paper is a special page for numbering, which is used for the numbering of test papers before and after the branch and national review. See the third page of this specification for the specific content and format.

4. The title and abstract of the paper are written on the third page, and the text of the paper starts from the fourth page.

5. Papers should be written from the third page, and must be located in the middle of the footer of each page, and numbered consecutively with Arabic numerals starting from "1".

6, the paper can't have a header, the paper can't have any signs that may show the identity of the respondent.

7. The title of the paper is in bold No.3, and the first-level title is in bold No.4, centered. The secondary title is in bold type No.4, with the left end aligned (not centered). All other Chinese characters in the paper use small four-character fonts, and the line spacing is single-spaced, so as to avoid color printing.

8. The abstract should be concise and detailed (including keywords), which plays an important role in the review of the whole paper. Please write carefully (note that the length should not exceed one page, and translation into English is not required). During the national review, the quality of the papers will be preliminarily screened according to their abstracts, overall structure and general situation.

9. References to other people's achievements or other public achievements (including those found on the Internet) must be clearly listed in the text quotations and references in accordance with the prescribed expression of references. The reference number is indicated by square brackets in the citation of the text, and the page number must also be indicated in the cited book.

10. References are listed in the order of citation, in which the description of books is: [No.] author, title, place of publication: publishing house, year of publication.

1 1. The expressions of periodical papers in the references are: [No.] author, paper name, magazine name, issue number: start and end pages, publication year.

12. The online expression in the reference is: [No.] author, book title, visit time (year, month, day).