点击回词典首页

单词解释

frequency  ['fri:kwənsi]      复制词条
n. C频率,周率;U频繁,屡次

常用短语

  1. very high frequency
    n.[无]特高频率(=VHF)
  2. fundamental frequency
    基本频率，基波频率，基频
  3. extremely low frequency
    极低频 【电】 至低频
  4. audio frequency
    可听声频率，音频，成声频率
  5. absolute frequency
    绝对频率，绝对频率
    6.  展开显示全部常用短语 ...  

与 frequency 相关的例句

  1. A loudspeaker designed to reproduce bass frequencies.
    低频扬声器设计用来再现低音频率的扬声器
  2. A radio-frequency amplifier.
    一种无线电频率放大器。

英英解释

3个名词解释

  1. the number of occurrences within a given time period
    [同] frequence , frequency , oftenness
    [例]
    • the frequency of modulation was 40 cycles per second
    • the frequency of his seizures increased as he grew older
  2. the ratio of the number of observations in a statistical category to the total number of observations
    [同] frequency , relative frequency
  3. the number of observations in a given statistical category
    [同] absolute frequency , frequency


 
快速背单词
小学英语
初中英语
高中英语
大学英语
研究生英语
出国考试
成人考试
英语辅助
公共英语
 


© 2008 查单词 chadanci.com