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

the first-level title uses the fourth word in bold, centered. The annotation uses the word ì 5. Others all use the small four-letter in Song Dynasty. The text content of the basic layout is small four (except the title of the paper, the first-class title and comments).