This is the 13913th most frequent Russian word.
оборудованных
"Equipped" or "furnished."
Here, 'оборудованных' is used as a past passive participle, describing 'sport complexes' as having been equipped.
В нашем городе построено много оборудованных современных спорткомплексов.
In our city, many modern equipped sports complexes have been built.
In this sentence, 'оборудованных' modifies 'studios', indicating that these studios are provided with necessary equipment for creation.
На выставке представлены работы, созданные в оборудованных студиях.
The exhibition showcases works created in equipped studios.
Here, 'оборудованных' serves as an adjective describing 'gyms' that are prepared with the necessary facilities for training.