also closed circuit
A closed-circuit television or video system is one that operates within a limited area such as a building.
There’s a closed-circuit television camera in the reception area.
ADJ : ADJ n
also closed circuit
A closed-circuit television or video system is one that operates within a limited area such as a building.
There’s a closed-circuit television camera in the reception area.
ADJ : ADJ n
Collins COBUILD Advanced Learner's English Dictionary. Английский словарь Коллинз COBUILD для изучающих язык на продвинутом уровне. 2006