65438+ secondary title: the title serial number is "(1)", which is the same as the font size of the text, and it is a dedicated line with no punctuation at the end. Third-level title: the title serial number is "",which is the same as the font size and font of the text.

2. The format of writing a paper. Thesis, which means talking and exchanging ideas in classical literature, now refers to articles that conduct research in various academic fields and describe academic research results. A paper generally consists of title, author, abstract, key words, text, references and appendix.

3. The correct format of the paper is title, author, abstract, key words, text, references and thanks. Titles should be concise, specific and accurate, which can summarize the specific content of the paper, help to select keywords, and conform to the relevant principles of compiling title catalogue, index and retrieval.