Format and reference description requirements: 1. Graduation thesis (design) typesetting: 1. Software typesetting is completed by Microsoft Word software, A4 paper (297×2 10) is arranged vertically, and text is arranged horizontally, and printed from left to right. 1.2 page margins are set to be 2.5cm above, 2.5cm below, 2.5cm on the left and 2 cm on the right, the binding line is 0, the header margin is 1.5cm, the footer spacing is 1.5cm, and the line spacing is fixed at 20 lbs. 2. Text typesetting of undergraduate thesis (design) (including Chinese and English titles, text, quotations, notes, abstracts and keywords) 2. 1 thesis title, majors, students and tutors, abstracts and subject words 2. 1.65438. When the number of words in the title of a paper is less or more, it shall be handled according to the provisions of "2.3.3 Title Length and Career Change". 2. 1.2 "major", "student", "tutor" and other types of "major" are selected in italics No.4, which are arranged directly below the topic of the paper (design) with a middle interval of 1 line, and the middle line is the topic of the paper (design). "Students" and "instructors" are arranged in a row, with the word No.4 in italics under "major" and 1 line between "major" and the middle row. If there is more than one teacher, the interval can be ",". 2. 1.3 The summary line recapitulates the main contents of this article in the form of excerpts or abridgements. Requirements: summarize and extract the research purpose, methods, results and conclusions of this paper without comment; Or briefly introduce the main content and progress of this paper. It should be noted that: objectively reflect the original content, don't simply repeat the existing information in the topic, but focus on the new content and especially emphasized thesis views. We should use the third person past tense (such as "studying" and "summarizing"). ). It should not be written as "this article" or "our school ..."). Without segmentation, about 400 words is appropriate. Select italics No.5; The word "abstract" is black. 2. 1.4 Subject words (keywords) are words or phrases that express the main content of the paper and are important retrieval points of the paper. Subject words generally consist of 3 ~ 5 words or phrases. Subject words are directly extracted from the title or text of the paper. Subject words are arranged on another line after the abstract. The word level, font and layout of the subject words are the same as those of the abstract. There is no blank line between the subject words and the abstract; There is 1 line between the subject word and the text. 2.2 The text layout is horizontally arranged with banners, and the text adopts Song Ti No.4. 2.3 Headings can be divided into chapters (level 1), sections (level 2) and sections (level 3). The word level of the minimum title should be consistent with the word level of the text. 2.3. 1 The word level and font of the title (if there are many titles, it can be distinguished by technical treatment between No.3 and No.4, such as whether it is black or not). The first-level title should be No.3, and the font should be bold. The secondary title uses No.4, and the font is bold (or bold). The third-level title is Xiao No.4, and the font is regular script; The title of the last level should be small 4, and the font should be black (or bold). 2.3.2 The title occupies the upper and lower lines of the title text at the line level; The middle row; There is a blank line above the secondary title, in the middle line; Third-level titles and titles below are not empty, ranking in the left row. In the case of two-level titles, 1 ~ 2 lines can be saved. 2.3.3 When the length of the title and the text of the career-changing title is large, it can be handled in the form of closely arranged titles, that is, no spaces are added between words. When there are few titles, they can be regarded as sparse titles, that is, spaces are added between words. Generally, two words are empty, three words are one word, four words are half a word, and five words or less have no spaces. If the length of the title text accounts for two or more lines, it can be treated as a multi-line title, that is, it needs to be changed. Change the title: If the length of the title text exceeds 4/5 of the length of the text, it is necessary to change the title with the title text in the middle. Title change can't separate the meaning of words, such as name, place, country, etc. Proper nouns cannot be disconnected, and function words, terms, symbols, etc. Cannot be converted to the first word of the next line. Taking subheadings as an example, we should pay attention to the relationship and proportion between themes and subheadings. 2.4 Quotations: The quotations of short sentences are arranged in the same way as the text. Large citation arrangement: the whole citation starts from another paragraph, and two spaces are indented at the beginning and end of each line. There should be a blank line at the top and bottom of the quotation. There are no quotation marks at the beginning and end of the quotation. The first line, such as poetry, can go back more than four squares. 2.5 The word level of Chinese characters in tabular form is No.5 (Song Dynasty); The title (table name) is bold type 5. Each form should be numbered uniformly, and the number should be marked at the corresponding position in the text. The width of the table cannot exceed the version center. The words "continued table" or "table × (continued)" should be added above the table on the connection surface (that is, the table on the next page is not completed). If the renewal form has more than one page, the words "renewal form 1" should be added. If the table is relatively large, it can also be made into a horizontal table with B4 paper, folded according to A4 specifications and bound into a book. 2.6 Hand-painted pictures, photographic photos, computer drawings, printed matter and other color and black-and-white photos should be clear, definite, accurate and rich in levels. There will be no bad influence after the picture is cut or overwritten. The length and width of the picture cannot exceed the size of the center. 2.7 The titles in the table of contents cannot exceed three levels. Small 3 ~ 4 words are used for the first-level title; The second-level title uses 4 ~ small 4 words; Small 4 is used for the third-level title. The title font is selected according to the principle of from heavy to light. For example, the primary title is in black, the secondary title is in black, and the tertiary title is in black. The title text is on the left and the page number is on the right. They are connected by three consecutive dots. If you need to change the title, you should indent the changed title text by 1 word. 2.8 "Sichuan University Undergraduate Graduation Thesis" or "Sichuan University Undergraduate Graduation Design" with the number 5 in the left row, and the topic or design topic with the number 5 in the right row; The header of the book is separated from the body by an underline. 2.9 The page number is arranged in the center of the footer, and the number is 5. 2. The preface and postscript of10 are the same as the text. Font can choose imitation song style or regular script. The width of the version center can be slightly smaller than the width of the text version center. 2. 1 1 Appendices shall be marked with serial numbers, and the appendices shall be arranged in sequence. For example, "Appendix 1" is arranged in the upper left corner of the editing center. "Appendix" is in bold type number four. The word level of the appendix text is 5. 3. The description of references for undergraduate graduation thesis (design) requires liberal arts colleges to record the quotations, notes and references of the thesis (design), and each college shall formulate unified and standardized specific requirements according to the characteristics of the discipline and report them to the Academic Affairs Office for the record. Requirements for reference description of graduation thesis (design) of science and engineering and medical majors: the sources of cited materials and documents should be stated. The citation of references adopts sequential coding system. Sequential coding system: continuous coding is carried out according to the order of cited documents in the main body of the article (including figures, tables and their descriptions). The code is placed in square brackets, in the form of the standard (upper right corner), directly after the quotation marks (such as [1]); 〔 15, 18〕; 〔25-26〕)。 3. 1 monograph description requirements, format 3. 1. 1 monograph description format person in charge, title, other person in charge and version. Place of publication: publisher, year of publication: page number example 1: Liu Shaoqi. On the Cultivation of Communist party member. Revise the second edition. Beijing: People. 1962: 76 cases 2: Xisha Islands investigation team of Nanjing Institute of Soil, Chinese Academy of Sciences. Soil and black manure in Xisha Islands, China. Beijing: Science Press, 1977 3. 1.2 monograph. Separate responsible persons, professional titles and other responsible persons. See: person in charge of original certificate. Original document title. Version. Year of publication. Location in the original document: 1: Huang Yunhui. International mineralogical research trends. See: Cheng et al. Development trend of world geological science and technology. Beijing: Geological Publishing House, 1982: 38-39 3.2 Description requirements of continuous publications (periodicals) and responsibility for format separation (articles). Version. Location 1: Li Siguang in the original literature example. Crustal structure and crustal movement. China Science, 1973 (4): 400-429 Cases 2: Zhao. On Zhang Taiyan before and after the Revolution of 1911. Guangming Daily, 1977-03-24(4) 3.3 Description requirements, format author and title (article) name. In (see): editor's name, collection name, meeting name, meeting place, meeting year and publishing place of the whole document. Place of publication: publishing house, year of publication: page 3.5 Description requirements of dissertation, format author, title (article) name, degree-granting unit, number or micro-copy serial number, year 3.6 Description requirements of patent document, format patent applicant, patent name, patent country, patent document type, patent number, publication date 3.7 Other private communications and unpublished works generally cannot be cited as references, if they must be cited, please refer to them.