Query on abbreviations in sci medical papers.

There are generally two abbreviations in this article.

The abbreviation of 1.DNA, RNA, etc. It should be used directly in the text without comments, but all abbreviations appearing in the text should be indicated in the appendix of the paper.

DNA: ......

RNA: .....

2. After the first abbreviation appears in this paper, it is indicated by brackets, and the second abbreviation does not need to be explained.

I will be a senior soon, and I have no idea about my graduation thesis. What should I do?

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High school thesis: Han Yu's influence on Chaozhou culture.

Who is good at English? Help me translate it. Don't help my friend write a paper with Google Translate. The following is the content.

What should be written in the format of the first draft of graduation thesis?

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