- [uncountable, countable]
the rate at which something happens or is repeated 发生率；出现率；重复率 Fatal road accidents have decreased in frequency over recent years. 近年来致命交通事故发生率已经下降。 Dawn was then visiting New York with increasing frequency. 道恩当时正在越来越频繁地访问纽约。 a society with a high/low frequency (= happening often/not very often) of stable marriages 婚姻稳定率高／低的社会 Users will be able to rearrange their icons by frequency of use. 用户将能够根据使用频率重新排列他们的图标。 The program can show us word frequency (= how often words occur in a language). 这个程序可给我们显示词频。
Extra ExamplesCrime increases in frequency in less settled neighbourhoods. 居民少的地区犯罪率在升高。 The drug can reduce the frequency and severity of attacks. 这种药能降低发病次数和严重程度。 These incidents have increased in frequency. 这些事件的发生率上升了。
Oxford Collocations Dictionaryadjective- great
- increased
- increasing
- …
- decrease in
- increase in
- decrease
- …
- with frequency
- [uncountable]
the fact of something happening often 频繁 the alarming frequency of computer errors 计算机出错的情况惊人的多 The relative frequency of this illness in the area is of concern to all doctors. 所有的医生都关注这种病在该地区相对频繁的发生率。 - with… frequency
Objects like this turn up at sales with surprising frequency. 这样的东西在拍卖会上出人意料地频繁出现。 Bullets bounced off the rock with alarming frequency. 子弹频频打在石头上又弹射出去，令人心惊胆战。
Oxford Collocations Dictionaryadjective- great
- increased
- increasing
- …
- decrease in
- increase in
- decrease
- …
- with frequency
- [countable, uncountable] (specialist)
the rate at which a sound or electromagnetic wave vibrates (= moves up and down) （声波或电磁波振动的）频率 a high/low frequency 高频；低频 Electromagnetic waves of radio frequency can make molecules vibrate and heat up. 射频电磁波可以使分子振动升温。
Oxford Collocations Dictionaryadjective- high
- low
- microwave
- …
- range
- spectrum
- band
- …
- [countable, uncountable] (specialist)
the number of radio waves for every second of a radio signal 频率（无线电信号每秒电波数） a frequency band 频带 an FM radio frequency 调频无线电频率 There are only a limited number of broadcasting frequencies. 广播频率的数量有限。
Oxford Collocations Dictionaryadjective- high
- low
- microwave
- …
- range
- spectrum
- band
- …
Word Originmid 16th cent. (gradually superseding late Middle English frequence; originally denoting a gathering of people): from Latin frequentia, from frequens, frequent- ‘crowded, frequent’.