This is the 15474th most frequent Russian word.
представивших
"Представивших" means "those who presented" or "those who introduced" in English.
The word 'представившие' is used as a participle to describe students who performed the action of presenting their projects.
Студенты, представившие свои проекты, получили положительные отзывы.
The students who presented their projects received positive feedback.
Here, 'представившие' is used as a participle in the nominative case to indicate witnesses who carried out the act of providing evidence.
Представившие доказательства свидетели помогли делу существенно.
The witnesses who provided evidence significantly helped the case.
In this sentence, 'представившие' is a participle describing team members who took the action of presenting the report.