Oceanog.
a zone of biological origin within the ocean, at a depth of 900-1200 ft. (270-360 m), which scatters sounding echoes.
Oceanog.
a zone of biological origin within the ocean, at a depth of 900-1200 ft. (270-360 m), which scatters sounding echoes.
Random House Webster's Unabridged English dictionary. Полный английский словарь Вебстер - Random House . 2012