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frequency是什么意思_frequency的用法

作者:沈陽新航道 2020-09-19 10:10
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frequency的音標


英 [?fri?kw?nsi]


美 [?fri?kw?nsi]


frequency的用法


n. 發生率;出現率;重復率;頻繁;(聲波或電磁波振動的)頻率


復數: frequencies


frequency的例句


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

卡拉的電話飛速增多。


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

如此高頻率的聲波是無法聽到的。


3.The tanks broke down with increasing frequency. 

坦克越來越頻繁地熄火。


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

語音是由不同頻率和強度的聲波組成的。


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

他們的儀器檢測到一個3千赫的微弱無線電波。


frequency的常見句型


用作名詞 (n.)


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

近年來交通事故發生的頻率已經下降。


2.The frequency of his visits annoyed her.

她對于他的頻繁來訪感到厭煩。


3.Accidents are happening with increasing frequency.

事故發生得越來越頻繁。


frequency的詞匯搭配


用作名詞 (n.)


形容詞+frequency


alarming frequency 驚人的頻率

high〔low〕 frequency 高〔低〕頻

increasing frequency 越來越頻繁


名詞+frequency


radio frequency 無線電頻率

word frequency 詞的出現頻率


介詞+frequency


at〔with〕 frequency 以…的頻率

be on the frequency for a channel 正接收某頻道


frequency的真題例句


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-四級2016年12月閱讀原文


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

出自-四級2016年12月閱讀原文


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-六級2013年12月聽力原文


4.Their work on very high frequency radio waves

出自-六級2013年12月聽力原文


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年考研真題(英語二)閱讀理解 Section Ⅱ


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