The research background is mainly the present situation and development process at home and abroad; Meaning mainly means that this thing is not good at present, and it still has research value and significance in terms of many shortcomings, which can be improved in some aspects.

2. The writing order is different

Background is a description of the present situation, and meaning is the result of background research. Therefore, the research background of this paper precedes the research significance.

Matters needing attention in writing abstract

1. Don't simply repeat the existing information in the title, avoid writing the contents of the introduction as a summary, don't copy the subtitle (table of contents) in the text of the paper or the text of the conclusion part of the paper, and don't interpret the content of the paper.

2. Try to use written narrative, and don't list the data in the abstract; The words should be concise, exclude the content that has become common sense in this subject field, and delete meaningless or unnecessary words; The contents should not be displayed, examples should not be cited, and the research process should not be introduced.

3. The content of the abstract must be complete, and the main contents (or opinions) elaborated in the paper cannot be omitted, and it should be written into a short article that can be used independently.