frequencies

英 [ˈfriːkwənsiz]

美 [ˈfrikwənsiz]

n.  发生率; 出现率; 重复率; 频繁; (声波或电磁波振动的)频率
frequency的复数

柯林斯词典

• N-UNCOUNT 频率;发生次数
  Thefrequencyof an event is the number of times it happens during a particular period.
  1. The frequency of Kara's phone calls increased rapidly...
     卡拉的电话飞速增多。
  2. The tanks broke down with increasing frequency.
     坦克越来越频繁地熄火。
• N-VAR (声波或无线电波的)频率，周率
  In physics, thefrequencyof a sound wave or a radio wave is the number of times it vibrates within a specified period of time.
  1. You can't hear waves of such a high frequency.
     如此高频率的声波是无法听到的。
  2. ...a frequency of 24 kilohertz.
     24 千赫的频率
  3. ...low frequency waves.
     低频波

双语例句

• What is the mathematical relationship between the lowest resonant frequency and the higher frequencies at which resonance occurred?
  发生共振时的最低频率和较高频率之间的数学关系是什么？
• The dependences of negative refractions on frequencies and incident angles have been studied.
  仔细地分析了负折射和频率以及入射角的关系及变化规律。
• These governors statically set the processor frequency to the lowest and highest frequencies, respectively.
  这两个调控器分别把处理器频率静态地设置为最低和最高频率。
• It was emphasized that the fatigue life of rock sample was influenced by stress amplitudes, waveforms and frequencies.
  重点分析了应力幅值、波形、频率等因素对岩石疲劳破坏寿命的影响规律。
• Coupling associates each ion with both characteristic frequencies.
  耦合使每个离子都具有了两个电子的特征频率。
• When people are attending to the flashing light, these electrical frequencies increase in amplitude.
  当人们注意到了闪光，这些电频率的振幅会增加。
• The modulator shapes the low-frequency noise or pushes it out to higher frequencies.
  调节器形成低频噪声或将其推到更高频率。
• This paper studies the basic problem of acoustic source separation, the separation of different characteristic frequencies.
  文章中研究了知觉性声源分离的最基本的问题，即听觉对于不同频率成分特征声源的分离知觉。
• Electromagnetic radiation with frequencies in the ultraviolet and visible region can be absorbed by molecules.
  分子能吸收频率在紫外和可见光区的电磁辐射。
• Standing wave frequencies provide information about the length of the cable.
  驻波频段提供了线缆长度的信息。