This is the 17747th most frequent Russian word.
укомплектованы
"Fully equipped" or "staffed."
The word 'укомплектованы' is used to describe the state of being fully equipped or provided with the required elements.
Складские помещения полностью укомплектованы всеми необходимыми материалами.
The warehouse facilities are fully equipped with all necessary materials.
Here, 'укомплектованы' means that the classes are filled or staffed with professionals.
Классы школы укомплектованы квалифицированными учителями.
The school classes are staffed with qualified teachers.
In this sentence, 'укомплектованы' conveys that the staffing or arrangement has been completed successfully.