Paper format setting requirements:

The title of the paper is bold, and the center is bold 3.

2. The first-level title should be set to bold number three and bold center (that is, the title of each chapter is like the first chapter).

3. The second-level title should be set to bold No.4, and the alignment mode should be left (that is, the next-level title of each chapter is: 1. 1).

4. The third-level heading is set to bold and bold, and the alignment mode is left (the subtitle under the second-level heading is 1. 1. 1).

5. The Chinese word "abstract" should be bold, with the third bold as the center and set as the first-class title.

6. The font of the Chinese abstract should be Xiao Si, with both ends aligned and the line spacing of 1.5 times or 20 points.

7. The English abstract should be in the center of Rome III, and should be set as a first-class title.

8. The font of English abstract should be Roman small four, with both ends aligned and the row spacing of 1.5 times or.

Twenty pounds.

9. The word "keyword" should be in small four in bold, followed by the keyword (small four in Song Dynasty). The number of keywords is 4-6, and each key is closed.

Keywords should be separated by commas, and no punctuation should be used after the last keyword.

10. The word "directory" should be set to bold number three and bold center.