Title author name 1, author name 2? (1. Official external name of the author's unit, province and city zip code; 2. Author's unit, province and city zip code official external name) Abstract: More than four whole sentences, including purpose, method, result and conclusion (four elements are indispensable). It should be written in the third person, and the words "this article" and "author" should not appear. It should be written as a reportable summary, which is self-evident, that is, you can get the main information of the full text without reading it (pay special attention to all the contents mentioned in the article, and the data are consistent). Don't repeat the topic, give the main information, key steps or data in the text for easy retrieval;

Length: 200

A word or so. English abstracts should correspond to Chinese abstracts; When the abbreviation first appears, please give the full name. Keywords: List 3 ~ 8 keywords. Keywords are separated by semicolons, and there is no punctuation at the end. Chinese and English keywords should correspond to each other one by one. Please give the full name of the abbreviation, such as: World Trade Organization (WTO) library classification number: refer to China Library Classification? Introduction The introduction should briefly review the research history of scientific issues involved in this paper, especially the research results in recent three years, and need to quote references; On this basis, the problems to be solved in this paper are put forward, and the methods and technical means adopted in this study are briefly explained. There is no subtitle in the introduction. ? 1 first-class title? Rank titles shall be numbered consecutively with Arabic numerals; Numbers of different levels are separated by dots, and the last digit is not punctuated. Such as "1", "1. 1", "3. 1.2" and so on. Until the third level. The serial numbers of all levels are arranged in the left top box, followed by 1 space. The title cannot be placed at the end of the page. The title of each level in the template is a suggested name, and the author can make corresponding changes according to the content of his paper. Erqi11111165438. 1. 1 secondary title 1? 1.3. 1 tertiary title? Body parts? Form:? The table adopts three-line table. Each form should have a preface and a title, and the title should be concise and to the point. Fill in the name of the project in the column of the title. If the item is a physical quantity, please list the name, symbol and use unit of the physical quantity according to the labeling regulations of the national legal units of measurement. The quantity symbols are in italics, the units are in regular letters, and the middle is connected with a slash "/",such as tR/min and RSD/%. The author should make the table meet the requirements of the journal as much as possible (single column 7.3 cm, double column 15.3 cm, page 15.3 cm×24.5 cm). ?

The following is an example of a two-column table: Table 1? An example of a two-table grid? Column title column column column column column column column column column column.

××× ×× 1) ×× ××2)

××× ××× ×× ×× ××?

××× ? Note:1) ×××××××; 2) ×××××× Illustration: 1? The description of the picture is in Chinese, and it is placed under the picture. The drawings provided by the author should be drawn by computer, and the lines should be clear, uniform, clear and accurate. The legend is placed under the heading. For the function and spectrum diagram, please provide a black-and-white vector diagram (referring to the enlarged and reduced diagram with the same definition) or a bitmap (resolution 600 dpi). It is best for the author to provide pictures of actual printing size. The picture is divided into single column (7.3 cm wide) and double column (15.3 cm wide), and the picture size is preferably within 7 cm. All drawings should be numbered in Arabic numerals. 2 Figure 1? Description reference of the diagram? [1] lists the main references, marked with [1], [2], ..., in the order of appearance. In the "References", they are respectively marked with [1], [2], ..., in order. References must be published. [2] The names of China people and foreigners are described by surname first, with English initials as the first letter, without the abbreviation ".". Authors with all three names must be listed, and the top three of more than four authors must be listed, and then "et al" (English document "et al") should be used. The first letter of the English title should be capitalized, with "~" in Chinese and "-"in English. [4] The main author. Title [M]. Version [1 version can be omitted]. Place of publication: publishing house, year of publication:? Page number. Monograph (book) (M) [5] author. Title (subject) of each article [D]. Storage location: storage unit, year. Paper (d)? [6] Author (reporter). Title (individual document) [A]. Three. Meeting minutes or name [C], publisher, publication date: page number. Conference document (C) [7] Patent applicant (affiliated unit). Patent name [P]. Patent country: patent number, publication date. Person in charge of drafting patent document (p) [8]. Standard Code Standard Serial Number-The standard name of the year of publication. Place of publication: publishing house, year of publication. (The person in charge of drafting, place of publication, publishing house and year of publication can also be omitted).