Participating in some experiments and publishing several papers means that you have participated in a certain project. Because the project books are basically signed by the names of the supervisor and his team teachers. Occasionally, there may be a few postdocs and Ph.D.s, but those with master's degrees have no right of signature at all. Schools are aware of this situation. You can boldly write that you participated in a certain project. If it is a graduation thesis, you can write that you participated even if you did not participate. If you have a fund number, you can also register it. The tutor will not More serious.