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

• 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。
• After several times of damping oscillations, the particles lose their energy and run away from the system.
  本文对电力系统的一次调频和低频振荡的相互作用问题进行了深入研究。
• 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？
• 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。
• Reduce the amplitude ( of oscillations or waves).
  减少摆动或波浪的振幅。
• This paper investigates the feasibility of damping multi-mode oscillations using unified power flow controller ( UPFC) in a multi-machine power system.
  研究了多机系统中使用统一潮流控制器（UPFC）抑制电力系统多模态振荡的可行性。
• Bohr and Wheeler envisioned that a nucleus may undergo oscillations like a liquid drop.
  玻尔和惠勒设想核子也会象液滴一样经历振动。
• This firmly establishes the nature of the oscillations as low acoustic eigenmodes of the subphotospheric layers.
  这就确凿地证实了振荡的本质是次光球层的低频声波本征模式。
• An electromagnetic wave generated by oscillations in an electric circuit.
  一种电磁波，由电在电导体内振荡而产生。
• 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。