oscillations

英 [ˌɒsɪˈleɪʃənz]

美 [ˌɑsəˈleɪʃənz]

n.  摆动; 摇摆; 振动; 一次波动; 浮动; 振幅; (情感、行为、思想的)摇摆不定，变化无常，犹豫不定
oscillation的复数

柯林斯词典

• VERB 摆动；（大小）来回变化
  If an objectoscillates, it moves repeatedly from one position to another and back again, or keeps getting bigger and smaller.
  1. I checked to see if the needle indicating volume was oscillating.
     我查看了那根音量指针是否在摆动。
• VERB （水平、价值等）波动，浮动
  If the level or value of somethingoscillates betweenone amount and another, it keeps going up and down between the two amounts.
  1. The share price has oscillated between a five-year high of 157.25p in 1997 and this year's low of 91.5p...
     股价一直在1997年创下的5年间最高点157.25便士和今年的最低点91.5便士之间浮动。
  2. Oil markets oscillated on the day's reports from Geneva.
     石油市场因当天来自日内瓦的报道出现了起伏。
  3. ...an oscillating signal of microwave frequency.
     微波频率的波动信号
• VERB （情绪、态度或行为）摇摆
  If youoscillate betweentwo moods, attitudes, or types of behaviour, you keep changing from one to the other and back again.
  1. The president of the Republic oscillated between a certain audacity and a prudent realism.
     该共和国总统施政风格时而大胆冒进，时而谨慎务实。

双语例句

• The vibrating object has executed a number of oscillations.
  物体已经完成了许多次振动。
• I got it low because I measured ten oscillations, you see?
  我让它变低了，因为我做了10次振荡，看到了么？
• One of the design objectives is to reduce some critical inter-area oscillations existing inthe system.
  设计目标之一是减少系统中存在的一些临界区间震荡。
• Produces sonic oscillations or alternating current.
  能够产生音速震动或交流电。
• Its oscillations increased to a destructive amplitude.
  它的振荡逐渐增大到毁灭性的幅度。
• Recordings were analyzed for changes in EEG power spectra, power topography, and sleep-specific cortical oscillations.
  分析EEG功谱、功率地形图和睡眠特异性的皮层共振活动。
• They studied the Bering Strait's potential impact on glacial oscillations.
  他们研究了白令海峡对冰期振荡的潜在影响。
• This paper made use of oscillations of delay differential equation and difference equation, established oscillation criteria for nonlinear difference equation with continuous argument.
  通过时滞微分方程和离散差分方程的振动性，建立了具有连续变量的非线性差分方程的振动性条件。
• It is shown that the closed-loop excitation control can be adopted to suppress the low-frequency current oscillations in the system.
  本文分析了利用励磁闭环控制抑制系统低频振荡的机理，并提出了励磁闭环控制系统的设计方法。
• The sound caused by unstable oscillations on the line.
  由于线路上的不稳定振荡而引起的声音。