The English in the business plan is written in Silla font. According to the relevant information query, display the typesetting requirements of the business plan. Font: The main title is generally bold in No.3, the title of the main part in the main body is bold in No.4, the main body in the main body is bold in No.4, the Chinese abstract is italicized in No.5 (in which the abstract of the paper is bold in square brackets with the same number), and the English abstract is bold in No.4. At the end of the article, the notes and references are listed in turn, all in No.5 (in which the notes and references with title nature are bold).