Abstract (No.4 bold), abstract content (No.4 small font), keywords (No.4 small font), keyword content (No.4 small font), paper title (No.3 small font) or (No.2 small font).

The first-level title uses the bold number four, centered. The word 5 is used in the annotation. Everything else is in the small four-character song style. The text content of the basic layout is Grade Four (except the title of the paper, the first-class title and comments).