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

• 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。
• And that has been a period of expansion and of anchoring balance and higher frequencies.
  会有一个扩张的时期，锚定在平衡和更高的频率。
• Add the frequencies in each class to find the class that contains that centermost element.
  把每一组的频率逐组相加，找出包含中位数的那一组。
• Resonant frequencies are related to the shape and size dimensions of the element.
  共振频率与这种元件的形状和大小有关。
• In fact, this instrument represented the first low-cost method of measuring audio frequencies.
  事实上，这个设备代表了第一个低成本测量音响频率的方法。
• 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。
• 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。
• 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。
• 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？
• Objective To study the frequencies and therapeutic effect of anxious and depressive disorders in patients with stroke.
  目的研究脑卒中患者焦虑和抑郁性障碍的发生率和治疗效果。