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frequency是什么意思

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frequency 是什么意思

音标:[ 'fri:kwənsi ]  
名词复数:frequencies   

中文翻译与英英解释

n.
1.屡次,频仍,频繁。
2.(脉搏等的)次数,出现率;频度;【物理学】频率,周率。
短语和例子
audio frequency音频。 a high [low] frequency高[低]频。 the frequency of earthquakes in Japan 地震在日本的频繁发生。 mean [median] frequency中频。 resonance [resonant] frequency谐振频率,共振频率。 ultrahigh frequency超高频。 ultralow frequency超低频。 very high frequency甚高频。 very low frequency甚低频。
the number of observations in a given statistical category
同义词:absolute frequency,

the ratio of the number of observations in a statistical category to the total number of observations
同义词:relative frequency,

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"
同义词:frequence, oftenness,

Frequency is the number of occurrences of a repeating event per unit time. It is also referred to as temporal frequency.

例句与用法

1.Wave speed equals frequency times wavelength .
波速等于频率乘以波长。

2.He manipulated the frequency dial of the radio .
他开始调拨频率键盘。

3.Confined waves have definite frequencies .
被限制的波具有确定的频率。

4.Accidents are happening with increasing frequency .
事故频繁发生。

5.Radiation must have exactly the frequency .
辐射必须严格具有频率。

6.The resulting frequency varies by a few percent .
最终频率有少许变动。

7.The pitch depends on the frequency .
音调的高低是由频率决定的。

8.N is the desired noninteger frequency divider .
N为所要求的非整数分频值。

9.The high frequencies are attenuated .
高频成分被削减。

10.The frequency and amplitude of vibration are monitored .
振动的频率与振幅受到监控。

 
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