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

• 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。
• Now one more very interesting oscillation& a torsional pendulum.
  现在是一个更有趣的摆动-，一个扭摆。
• 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。
• This paper analyses oscillation character of the Static Gas Wave Refrigerator when its oscillators are interline and resonator respectively.
  分析了静止式气波制冷机振荡源共鸣器的共振条件并对其振荡特性进行了实验研究。
• This paper presents a simple method for measuring gas adiabatic constant by use of simple harmonic oscillation.
  本文介绍了一种简单的利用简谐振动现象测量气体的定熵指数的方法。
• 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。
• We obtain the relation between the frequency of the oscillation and the instric excitation of the system.
  我们得到了系统振荡的频率与内禀元激发的关系。
• Energy and optimal pressure of amplified spontaneous emission and laser oscillation are compared.
  本文还对自发辐射放大和激光振荡的能量和最佳气压进行了比较。
• 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。