This is the 3632nd most frequent Russian word.
сроков
The word "сроков" is the genitive plural form of "срок," meaning "terms," "deadlines," or "time periods."
Here, 'сроков' is used in the plural genitive form to indicate the deadlines associated with a certain task, which is in this context, repair completion.
Сроков окончания ремонта ещё не определено.
The completion deadlines for the repair have not been determined yet.
In this sentence, 'сроки' as a plural nominative means periods or deadlines, specifically referring to when a project should be completed.
Необходимо уточнить сроки выполнения проекта.
It is necessary to clarify the project completion dates.
Here, 'срока' in singular genitive indicates a specific deadline related to document submission.