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

• Digital audio Sound waves generate air pressure oscillations that stimulate the human auditory system.
  数字音频声波产生气压振动刺激人的听觉系统。
• 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。
• The vibrating object has executed a number of oscillations.
  物体已经完成了许多次振动。
• 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。
• 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。
• 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。
• 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。
• Review on methods of analysis for subsynchronous oscillations of power systems.
  电力系统次同步振荡问题的分析方法概述。
• 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。
• 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。