English主要词典
frequency
Universal Words
noun (plural frequencies)
1 [U,C] the rate at which sth happens or is repeated:
Fatal road accidents have decreased in frequency over recent years. * a society with a high / low frequency (= happening often / not very often) of stable marriages
2 [U] the fact of sth happening often:
the alarming frequency of computer errors * Objects like this turn up at sales with surprising frequency.
3 [C,U] (technical) the rate at which a sound wave VIBRATES (= moves up and down):
a high / low frequency
4 [C,U] (technical) the number of radio waves for every second of a radio signal:
a frequency band * There are only a limited number of broadcasting frequencies.
