(1) Purpose: To point out the scope, purpose, importance, tasks and preconditions of the research, rather than simply repeating the theme.

(2) Methods: Briefly describe the work flow of the project, what main contents have been studied and what work has been done in this process, including objects, principles, conditions, procedures and methods.

(3) Achievements: State the important new discoveries, achievements and values after the research, including the data and results obtained through investigation, experiment and observation, and analyze its unsatisfactory limitations.

(4) Conclusion: Through the study of this topic, the important conclusions, including the correct views confirmed from it, are analyzed and studied, and the significance of their application in real life is compared and predicted, and theory and practice are combined.

These four elements fully illustrate the originality and uniqueness of the abstract.