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

• Its oscillations increased to a destructive amplitude.
  它的振荡逐渐增大到毁灭性的幅度。
• 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。
• As the Earth's climate has changed, once-regular oscillations in these systems have become unpredictable.
  随着地球气候的变化，这些体系中曾经有规律的循环已经变得不可预测了。
• The periodical oscillations of the drought and flood features have significant seasonal differences.
  旱涝特征周期振荡也具有明显的季节性差异。
• 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。
• 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。
• 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。
• Further on, we will analyse the origin of these oscillations.
  我们进一步的工作，是分析这些振荡的起因。
• Among these characteristics, quasi-periodic oscillations led us to believe the possibility of existing oscillations in the corona.
  在这些特征中，准周期振荡使我们认为，在日冕上可能存在着快速振荡。
• 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。