(~)
A ~ is a unit of frequency, used especially for radio frequencies. One ~ equals one million cycles per second.
...UHF frequencies of around 900 ~.
N-COUNT: num N
(~)
A ~ is a unit of frequency, used especially for radio frequencies. One ~ equals one million cycles per second.
...UHF frequencies of around 900 ~.
N-COUNT: num N
Collins COBUILD. Толковый словарь английского языка для изучающих язык Коллинз COBUILD (международная база данных языков Бирмингемского университета) . 2012