- active hydroacoustic buoy
- активный радиогидроакустический буй
English-Russian military dictionary. 2014.
active hydroacoustic buoy
Смотреть что такое "active hydroacoustic buoy" в других словарях:
Infrasound — is sound with a frequency too low to be heard by the human ear. The study of such sound waves is sometimes referred to as infrasonics, covering sounds beneath the lowest limits of human hearing (20 hertz) down to 0.001 hertz. This frequency range … Wikipedia
