frequency

英['friːkwənsi] 美['friːkwənsi]
  • n. 频繁；频率
frequencies
CET4 TEM4 GRE 考 研 CET6
使用频率:
星级词汇:
  • freaky adj.(=freakish)畸形的；古怪的；捉摸不定的

详细释义

    n. (名词)
    1. 频繁，屡次，不断，频仍，经常发生
    2. 频率，频度，周率，次数，出现率，发生率，重复率
    3. 【物】频率（无线电信号每秒电波数）
    4. 拍频
    5. 发病率
    6. 振动频率
    7. 黑洞频率
    n. (名词)
    1. [U](某事发生可重复的)频率 rate of occurrence or repetition of sth
    2. [U]经常发生,频繁 fact of being frequent or happening often
    3. [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

英英释义

Noun:
  1. 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"

  2. the ratio of the number of observations in a statistical category to the total number of observations

  3. the number of observations in a given statistical category

双语例句

1. 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。

来自柯林斯例句

2. Fatal road accidents have decreased in frequency over recent years.
近年来致命交通事故发生率已经下降。

来自《权威词典》

3. If we can know their frequency we will monitor their talking.
如果我们知道他们的频率,我们就能监听他们的谈话.

来自《简明英汉词典》

4. The drug can reduce the frequency and severity of attacks.
这种药能降低发病次数和严重程度.

来自《简明英汉词典》

5. Fatal accidents have decreased in frequency over recent years.
近年来死亡事故发生的频率已经下降.

来自《简明英汉词典》

    用作名词 (n.)
    1. 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。
    2. Accidents are happening with increasing frequency.
      事故正在愈加频繁地发生。
    3. He wrote to both with tolerable frequency.
      他和他们通信，相当频繁。
    4. He varied the transmission frequency.
      他变换了无线电传送的频率。
    5. He tuned his radio to the police frequency.
      他把无线电调到警方的频率。
    6. The pitch depends on the frequency.
      音调的高低是由频率决定的。
    7. We can often correlate age with frequency of illness.
      年龄的大小往往与发病率有关。
    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。
    4. If we can know their frequency we will monitor their talking.
      如果我们知道他们的频率,我们就能监听他们的谈话。
    5. This radio station broadcasts on four different frequencies.
      这家无线电台用四种不同的频率播放节目。

用法讲解

用作名词 (n.)
形容词+～ 名词+～ 介词+～

相关词汇

【邻近词汇】

frequent frenzy frequency wow frequency run Frequency set Frequency hop frequency bin frequency top frequency map frequency drag frequency comb frequency beat
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