2. Abstract: Structured abstract is adopted, which consists of four parts: purpose, method, result and conclusion. Abstract generally does not exceed 200 words.
3. Keywords: Index 3-5 keywords in the abstract.
4. Charts: tables and charts are not used as far as possible when words can be explained, and the data in words, tables and charts should not be repeated. Statistical tables should be drawn on a separate piece of paper and attached to the manuscript for review. Tables have table titles, while drawings have table titles and their respective numbers. Use a three-wire table or a Wang Zi table. The data in the table must be verified, and the sum of vertical and horizontal directions is consistent, with at least one decimal place reserved. Statistical results were analyzed by P.
5. Unit of measurement: the legal unit of measurement in China shall prevail. Punctuation, number usage, etc. Should be implemented in accordance with national standards. The writing of units of measurement must be standardized, and abolished units shall not be used.
6. Title symbol: In this paper, the numbering of standard levels should be in accordance with the provisions of GB/1-1993 and GB77 13-87 respectively, and generally not more than 4 levels. First-class title1; Secondary title1.1; Third-level title1.1.1; The title of the fourth level is1.1.1.1. All the upper left examples are written, and the serial numbers in this paper are ①, ②, etc.
7. Discussion: Focus on the new findings, achievements and viewpoints of this paper, and don't repeat what has been described in the achievements.
8. References: Foreign languages are less than five years, and Chinese are nearly three years. They are numbered according to the order in which they first appear in the text, and are indicated in square brackets in the upper right corner. Internal publications or unpublished materials are not included.