( guidance systems)
The guidance system of a missile or rocket is the device which controls its course.
The guidance systems didn’t work and the missile couldn’t hit its target.
N-COUNT
( guidance systems)
The guidance system of a missile or rocket is the device which controls its course.
The guidance systems didn’t work and the missile couldn’t hit its target.
N-COUNT
Collins COBUILD Advanced Learner's English Dictionary. Английский словарь Коллинз COBUILD для изучающих язык на продвинутом уровне. 2006