Footnotes indicate the literature you have quoted. References are the books, periodicals, magazines, newspapers and papers you have read when writing your thesis. These books and papers can be omitted.

Matters needing attention in writing abstract: Try to use written narrative, and don't list the data in the text 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.

Extended data:

Phrases are the main forms of English titles, especially noun phrases, that is, titles are basically composed of one or several nouns plus their prepositions and/or postattributes; The title of phrase type should determine the head word and then modify it before and after. The order of each word is very important, and improper word order will lead to inaccurate expression.

Generally don't use declarative sentences, because the title mainly plays a marking role, and declarative sentences are easy to make the title have judgmental semantics, which is not refined and eye-catching.

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