1, there is only one work, but many papers are based on large-scale scientific research projects, so it is difficult for one person to complete the paper. Completed by a team or multiple units. In this case, it is * * * with the author.
2, the number is different, * * * has more than one author, and strictly speaking, there is only one first author.
3, the signature is different, * * * and the author's signature is a sensitive issue. * * * means that there are two or more authors in an article, and the two authors play equal roles and participate in the writing, experiment and publication of the article together. In this case, you can consider signing the same work, and only one first author can sign one.
4. In the signature of scientific research papers, patents and research reports of innovative works, the name of the person who has made the greatest contribution to the work is usually signed at the front.
5. When the paper signature is used to evaluate the professional title, the weight of the first author is obviously heavier than that of the second and third authors, but lighter than the personal signature.