* * * There is more than one author of the same work. Strictly speaking, there is only one author of a work. Different concepts, generally there is only one first author. The same job as paper.
It shows that these two people have the same contribution to this paper and are the two main finishers of this paper. Enjoy equal treatment. Have equal rights in evaluating professional titles. Works usually refer to the first author. It shows that this author has made the greatest contribution to this paper. Is the main finisher of this paper.
1, the first author is the signature of the paper, and the second and third authors are the second and third authors. Generally speaking, it depends on the weight of your article. If the weight is enough, you can publish multiple authors. An article in a foreign multi-center clinical trial can reach 100 people.
2. An article generally has a correspondent, and the correspondent refers to the owner and director of the article. Someone else has a correspondent, which means contact.
3. The ranking can also be determined by both parties through consultation. If there is no agreement, generally the first author ranks first, the second author ranks second, and so on.
Because the key idea (which is the most important thing in scientific research, and is customarily called "idea") comes from the tutor, students put in and contribute ordinary work, knowledge, energy and time. We can say that even in other cases, the background of tutor status and school administrative power is not the decisive factor.