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

• The frequency and intensity of electromagnetic field change the frequency and amplitude of the calcium oscillation.
  电磁场的频率、强度（调制因子）引起钙振荡的频率和幅值发生变化。
• This paper is devoted to study the oscillation of second order nonlinear differential equations with impulses.
  对二阶非线性脉冲微分方程的振动性给出了充分判据。
• 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。
• Its oscillation depends on the strength of the gravitational field
  它的振动幅度取决于引力场的强度。
• 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。
• In our self-Oscillation drive system, the stable error of the oscillation amplitude is eliminated by the PI controller.
  在该闭环驱动系统中，通过引入PI控制器消除了振动幅度控制的稳态误差。
• 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。
• And we discussed the vertical oscillation.
  我们讨论了竖直摆动。
• The general oscillation of a pendulum consists of a particle and a massive cord is studied.
  研究了由重绳和质点构成的绳摆一般振动，给出了任意初始条件下解析解。
• The amplitude of wall temperature fluctuation is larger than that of fluid temperature oscillation.
  流量的波动又引起了管壁温度和流体温度的周期性波动；