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IELTS BNC: 2406 COCA: 3009

frequency

Word family
fre·quen·cy /ˈfriːkwənsi/ ●●○ noun (plural frequencies)  
1 [uncountableU]OFTEN the number of times that something happens within a particular period of time or within a particular group of people 发生的频率,发生率
frequency of
 the frequency of serious road accidents
重大道路交通事故的发生率
the high/low frequency (of something)
 the higher frequency of diabetes in older people
老年人中较高的糖尿病发病率
 Side effects from prescribed drugs are being reported with increasing frequency (=more and more often).
处方药的副作用正越来越频繁地被报道出来。
 The relative frequency of fraternal twins has halved since 1950.
1950年以来,异卵双胞胎的相对出生率下降了一半。
2 [uncountableU]OFTEN the fact that something happens a lot 频繁 SYN regularity
 Businesses come and go with alarming frequency.
商家开张停业惊人地频繁。
3 [countableC, uncountableU] technicalTCB the number of radio waves, sound waves etc that pass any point per second 〔无线电波、声波等的〕频率
 This station broadcasts on three different frequencies.
这家电台以三种不同的频率广播。
high/low frequency
 Dolphins produce a high frequency sound.
海豚发出的声音频率很高。
 the frequency range of the human ear
人耳听得见的频率范围
Examples from the Corpus
fre·quen·cy noun
Chinese
Syllable
Corpus

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