1, Title: Summarize the most important content of the whole paper, generally no more than 20 words.

2. Abstract: Explain the main points of this paper, explain the research purpose, research methods, achievements and conclusions of this paper, and highlight the creative achievements and new ideas of this paper. About 500 words is appropriate.

3. Keywords: 3-5 words reflecting the theme of the paper.

4. Contents: The subheadings of paper components should be marked with corresponding page numbers.

5. Introduction (or preface): It includes the domestic and international situation of this research field, the problems to be solved in this paper, and the theoretical significance and practical value of this research work in economic construction, scientific and technological progress and social development.

6. Text: the main body of the paper.

7. Conclusion: Be clear, concise and complete, and clarify your creative achievements or new ideas in this field and their significance.

8. References and notes: indicate the source and source in the order of the cited documents or notes.

9. Appendix: auxiliary mathematical tools, repeated data charts, symbolic meanings used, unit abbreviations, full text of the program and related explanations, etc.