首页 > 英语词典 > frequency


frequency

听听怎么读
英 [ˈfri:kwənsi]
美 [ˈfrikwənsi]
是什么意思
  • n.

    频繁性;[数][物]频率,次数;频率分布;

  • 变形

    复数:frequencies

    双语释义

    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

    frequency[ 'frikwənsi ]

    • n.
      • 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:frequenceoftenness

      • 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 observations in a given statistical category

        同义词:absolute frequency

    学习怎么用

    词汇搭配

    用作名词 (n.)
    形容词+~
    • alarming frequency惊人的频率
    • high〔low〕 frequency高〔低〕频
    • increasing frequency越来越频繁
    名词+~
    • radio frequency无线电频率
    • word frequency词的出现频率
    介词+~
    • at〔with〕 frequency以…的频率
    • be on the frequency for a channel正接收某频道

    词组短语

    high frequency高频

    low frequency低频率;低周波

    frequency domain[化]频域;频率范围

    frequency conversion频率变换

    radio frequency无线电频率

    natural frequency自然频率,固有频率;本盏率

    frequency response频率响应;录放幅频响应

    frequency spectrum频谱;频率谱

    frequency converter变频器

    frequency band频带;频段

    video frequency视频率

    frequency control频率控制

    frequency division分频;频率划分

    frequency range频率范围

    vibration frequency频率;振动频率;波动频率

    frequency modulation调频

    intermediate frequency中频

    frequency division multiplexing频分复用;分频多路传输

    power frequency电力频率;工业频率

    resonance frequency共振频率;谐振频率;共鸣频率

    更多收起词组短语

    双语例句

    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。

    权威例句

    ...from highly incomplete frequency information
    Robust uncertainty principles: exact signal reconstruction from highly incomplete frequency information
    Exact signal reconstruction from highly incomplete frequency information
    Matching pursuits with time-frequency dictionaries
    Robust Uncertainty Principles : Exact Signal Frequency Information
    Matching pursuit with time-frequency dictionary
    High-resolution frequency-wavenumber spectrum analysis
    The Design of CMOS Radio-Frequency Integrated Circuits
    Availability: A heuristic for judging frequency and probability ☆ ☆☆
    The Design of CMOS Radio-frequency Integrated Circuits