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

  1. 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
  2. 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
  3. (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

  1. VERB 摆动;(大小)来回变化
    If an object oscillates, 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。
  2. VERB (水平、价值等)波动,浮动
    If the level or value of something oscillates between one 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
  3. VERB (情绪、态度或行为)摇摆
    If you oscillate between two 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

  1. 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。
  2. This paper discusses the potential of applying energy storage systems to enhance power system oscillation stability.
    研究了将能量储存系统用于提高电力系统振荡稳定性的潜力。
  3. 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。
  4. 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。
  5. Now one more very interesting oscillation& a torsional pendulum.
    现在是一个更有趣的摆动-,一个扭摆。
  6. Any subtle change of capacitance can be measured through the method of modulation on high-frequency harmonic oscillation return circuit.
    电容的微小变化可通过对高频谐振回路调制的方法进行测量。
  7. 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。
  8. This paper is discussed on the dependent relations between times and oscillation or energy of a forced oscillator.
    分析了平板式二自由度压电马达的工作原理,对压电振子的振动与运动特性的关系进行了探讨。
  9. And we discussed the vertical oscillation.
    我们讨论了竖直摆动。
  10. 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。
  11. 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。
  12. 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。
  13. This paper obtains a new oscillation theorem of high-order differential equation with damping.
    本文建立了具有阻尼项的高阶微分方程新的振动定理。
  14. 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。
  15. 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。
  16. 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;
  17. 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。
  18. 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。
  19. It's about to complete its first oscillation.
    它要完成,第一个摆动了。
  20. 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。
  21. 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。
  22. The oscillation problem of voltage probing in transmission line pulsing ( TLP) generator system wad studied.
    对传输线脉冲发生器电压探测中的振荡问题进行了研究。
  23. 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。
  24. 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。
  25. 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。
  26. 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。
  27. 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。
  28. This is a simple harmonic oscillation.
    这是个简单谐波振荡。
  29. A new relaxation oscillation mode is found through the dynamic simulation.
    通过模拟发现了新的弛豫振荡模式。
  30. 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。

英英释义

noun

  1. a single complete execution of a periodically repeated phenomenon
    1. a year constitutes a cycle of the seasons

    Synonym:    cycle

  2. (physics) a regular periodic variation in value about a mean

      Synonym:    vibration

    1. the process of oscillating between states