oscillation

英 [ˌɒsɪˈleɪʃn]

美 [ˌɑːsɪˈleɪʃn]

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

复数：oscillations　

TEM8医学

BNC.16243 / COCA.14373

牛津词典

noun

• 摆动；摇摆；振动
  a regular movement between one position and another or between one amount and another
  1. the oscillation of the compass needle
     罗盘指针的摆动
  2. the economy's continual oscillation between growth and recession
     经济增长与衰退之间的持续波动
• 一次波动；浮动；振幅
  a single movement from one position to another of sth that is oscillating
  1. the oscillations of the pound against foreign currency
     英镑兑外币汇价的波动
• （情感、行为、思想的）摇摆不定，变化无常，犹豫不定
  a repeated change between different feelings, types of behaviour or ideas
  1. his oscillation, as a teenager, between science and art
     十几岁的他对学文科还是学理科的犹豫不决

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。

英英释义

noun

• a single complete execution of a periodically repeated phenomenon
  1. a year constitutes a cycle of the seasons
  Synonym:cycle
• (physics) a regular periodic variation in value about a mean
  Synonym:vibration
• the process of oscillating between states

双语例句

• Some problems of the study on forced oscillation pattern of A2B model are discussed.
  讨论了A2B模型的受迫振动模式研究中的一些问题。
• Simulations on New England test power system show the inter-area oscillation mode damped and the system stability enhanced.
  新英格兰测试系统的仿真结果验证了该方法能有效地阻尼系统的区间振荡模式，提高了系统的稳定性。
• Established a linearized oscillation result of the second order nonlinear neutral delay differential equation with positive and negative coefficients.
  建立了二阶具正负系数的非线性中立型微分方程的一个线性化振动性结果。
• An adaptive control method for chaos oscillation in power system is put forward in this paper.
  提出了电力系统混沌振荡自适应控制的一种方法。
• It reveals the probability and conditions of extra-low frequency oscillation and double frequency oscillation in power systems.
  该分析揭示了电力系统产生超低频振荡和倍频振荡的可能性和条件。
• In this paper a new oscillation criterion for second order nonlinear differential equations was established.
  本文给出了二阶非线性微分方程的一个新的振动准则。
• Power System forced power oscillation is a kind of low frequency oscillation caused by persistent periodic small disturbance.
  电力系统强迫功率振荡为持续的周期性小扰动所引起低频振荡现象。
• The uniform damping control of low-frequency oscillation ( LFO) is presented in this paper.
  提出了电力系统低频振荡的均匀阻尼控制方法。
• The oscillating characteristic and possible oscillation mechanism were studied.
  分析了振荡特征和影响因素，提出了循环振荡机理。
• By applying bifurcation diagram and phase diagram are presented to analyze periodic oscillation state and chaos motions.
  利用数值结果，相图和李雅普诺夫指数分析了系统的周期振荡态和混沌态运动过程。