This is the 550th most frequent Russian word.
экспертов
"Experts."
In this sentence, 'экспертов' is the genitive plural form of 'эксперт' and is used to express possession or relation.
Мнение экспертов оказалось решающим.
The opinion of the experts turned out to be decisive.
Here, 'экспертов' is the auxiliary noun describing members of the team in accusative plural.
Команда экспертов помогла разработать новый подход.
The team of experts helped develop a new approach.
In this context, 'экспертов' indicates the individuals being heard, in accusative plural, as direct objects of the verb.