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frequency是什么意思_frequency的用法

作者:沈阳新航道 2020-09-19 10:10
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frequency的音标


英 [ˈfriːkwənsi]


美 [ˈfriːkwənsi]


frequency的用法


n. 发生率;出现率;重复率;频繁;(声波或电磁波振动的)频率


复数: frequencies


frequency的例句


1.The frequency of Kara's phone calls increased rapidly 

卡拉的电话飞速增多。


2.You can't hear waves of such a high frequency. 

如此高频率的声波是无法听到的。


3.The tanks broke down with increasing frequency. 

坦克越来越频繁地熄火。


4.Speech is made up of sound waves that vary in frequency and intensity. 

语音是由不同频率和强度的声波组成的。


5.Their instruments detected very faint radiowaves at a frequency of 3 kilohertz. 

他们的仪器检测到一个3千赫的微弱无线电波。


frequency的常见句型


用作名词 (n.)


1.Traffic accidents have decreased in frequency over recent years.

近年来交通事故发生的频率已经下降。


2.The frequency of his visits annoyed her.

她对于他的频繁来访感到厌烦。


3.Accidents are happening with increasing frequency.

事故发生得越来越频繁。


frequency的词汇搭配


用作名词 (n.)


形容词+frequency


alarming frequency 惊人的频率

high〔low〕 frequency 高〔低〕频

increasing frequency 越来越频繁


名词+frequency


radio frequency 无线电频率

word frequency 词的出现频率


介词+frequency


at〔with〕 frequency 以…的频率

be on the frequency for a channel 正接收某频道


frequency的真题例句


1.Security devices are required to list the frequencies they broadcast on—that means that a potential thief can find what they need to know with minimal Googling.

出自-四级2016年12月阅读原文


2.It's easier to find and acquire jamming equipment for some frequencies than it is for others.

出自-四级2016年12月阅读原文


3.For this he and his wife received the Nobel Prize for physics in 1910, and did so again in 1912 for their work on very high frequency radio waves.

出自-六级2013年12月听力原文


4.Their work on very high frequency radio waves

出自-六级2013年12月听力原文


5.Though often viewed as a problem for western states, the growing frequency of wildfires is a national concern because of impact on federal tax dollars, says Professor Max Moritz, a specialist in fire ecology and management.

2017年考研真题(英语二)阅读理解 Section Ⅱ


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