Title: The title of the article is no more than 20 words, No.3, bold, bold and centered; Abstract: Abstract is divided into Chinese abstract and English abstract. Chinese abstracts are in bold, small four, bold and left alignment. The following keywords are bold, small four, bold and left-aligned. The title of the English abstract is Times New Roman, bold and centered; The format of the article is Xiao Si, Times New Rome and bold. The key words behind the English abstract are Xiao Si, Times New Roman and bold. four

Table of Contents: No.3, bold, bold, centered, with spaces between words; 1 is a first-level title. Use: No.4, bold, bold and left-aligned; 1. 1 is a second-level heading style, which is used as: small four, bold, bold and left-aligned; 1. 1. 1 is a three-level heading style, which uses: small four, song style, bold, and left alignment.

Text font: Primary Four, Song typeface, 1.5 times line spacing, characters are not scaled, and the character spacing is "standard"; All numbers and English words are in Silla Romana; The titles, abstracts and keywords in Chinese and English are numbered in Roman numerals, and the other parts are numbered in Arabic numerals. The page number is the footer with No.6, Song Style and Center. The reference symbol [1] is represented by square brackets plus numbers, small four, Times New Roman and superscript.