1. Submission requires clear arguments, reliable data, strict logic and concise words. Each paper must include title, author's name, author's unit, unit location and postal code, abstract and keywords, text, references and first author.

2. The abstract of the paper should be written as a summary of reportage, including the purpose, methods, results and conclusions (about 100 words), which should be independent and self-contained, and the key words should be standard words or combination words (3-5 words) similar to the meaning of the text.

3. The length of the manuscript (including charts) is generally no more than 4,400 words, and one page is less than 2,200 words. Please refer to the latest standards of legal units of measurement in People's Republic of China (PRC) for the use of quantities and units. Foreign characters must be case-sensitive, italicized, black and white, and the upper and lower corner marks should be clearly distinguished.

4. The chart in this article should be self-evident. No more than 2 pictures, clear images and distinct layers.

5. The description format of references adopts sequential coding system, so please number them according to the order in which they appear in the paper. The cited literature must be the most important published literature directly read and cited by the author. If it is unpublished and needs to be cited, please indicate it with footnotes, and there are not less than 2 references cited.

6. If the article is adopted, the author will be informed in time. If you don't receive the result, please write or call immediately. The editorial department has the right to delete the manuscript, and the manuscript that does not agree to delete the manuscript must be declared by letter. The publication of the article needs to pay a certain page fee, and I hope the majority of authors can understand it. Two sample publications will be sent to the author as soon as possible after publication.