Paper size: 2 10/0mm× 297mm (A4 paper)

Core requirements: left margin: 30mm, right margin: 25mm, top margin: 30mm, bottom margin: 25mm, header margin: 23mm, and footer margin: 18mm.

This paper is written in Chinese.

3. Title: The thesis is divided into three levels.

First-level title: bold, No.3 or 16pt, and the spacing between the front and back paragraphs is 1 line.

Second-level title: bold, No.4 or 14pt, and the spacing between the front and back paragraphs is 1 line.

Third-level titles: bold, small four or 12pt, and the spacing between the front and back paragraphs is 1 line.

The spacing between the preceding and following paragraphs can be adjusted appropriately to control the proper page-changing position of the text.

4. Text font: The text adopts No.5 Song style, and the line spacing is 18 points; The titles of figures and tables are in small five bold letters; The words and legends in the table are described in small five-song style; The notes on the table are in Song No.6 style.

5. The text of the header and footer is a small five-song style, the left side of the header is "χ χ University Bachelor's Degree Thesis", and the right side is the first-class title; The horizontal line under the meter head is the Wenwu line (3 kg); When copying on one side, the page numbers are arranged in the center of the footer, and when copying on both sides, the page numbers are arranged on the left and right sides respectively.

6. All tables in this article are in standard format (for example, three-line tables, please refer to the table format in official publications).

7. The figures listed in the article should be carefully selected, and the photos should not be pasted directly, but should be inserted in the form of pictures after scanning.

8. The English and Roman characters in the text generally adopt the orthography of Time New Roman, and should be italicized according to regulations.