frequency是什么意思

frequency是什么意思

n.频繁；频率

n.(名词)

频繁，屡次，不断，频仍，经常发生频率，频度，周率，次数，出现率，发生率，重复率【物】频率（无线电信号每秒电波数）拍频发病率振动频率黑洞频率

n.(名词)

[U](某事发生可重复的)频率 rate of occurrence or repetition of sth[U]经常发生,频繁 fact of being frequent or happening often[C][U](声波或无线电波的)振动频率; 波段 rate at which a sound wave or radio wave vibrates; band or group of similar frequencies

Noun:

the number of occurrences within a given time period;”the frequency of modulation was 40 cycles per second””the frequency of his seizures increased as he grew older”the ratio of the number of observations in a statistical category to the total number of observationsthe number of observations in a given statistical category

用作名词(n.)

Accidents on that highway are happening with increasing frequency.那条高速公路上车祸发生得越来越频繁。Accidents are happening with increasing frequency.事故正在愈加频繁地发生。He wrote to both with tolerable frequency.他和他们通信，相当频繁。He varied the transmission frequency.他变换了无线电传送的频率。He tuned his radio to the police frequency.他把无线电调到警方的频率。The pitch depends on the frequency.音调的高低是由频率决定的。We can often correlate age with frequency of illness.年龄的大小往往与发病率有关。