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fluctuation

英 [ˌflʌktʃuˈeɪʃn]

美 [ˌflʌktʃuˈeɪʃn]

n.  波动,涨落,起伏

复数:fluctuations 

CET6TOEFLIELTS化学

BNC.6226 / COCA.8463

柯林斯词典

  • VERB 变动;波动;上下浮动
    If somethingfluctuates, it changes a lot in an irregular way.
    1. Body temperature can fluctuate if you are ill.
      人患病后体温可能会上下波动。
    2. ...the fluctuating price of oil.
      油价的浮动

英英释义

noun

  • the quality of being unsteady and subject to changes
    1. he kept a record of price fluctuations
    Synonym:wavering
  • an instance of change
      Synonym:variation
    1. a wave motion
      1. the fluctuations of the sea

    双语例句

    • 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;
    • The erratic fluctuation of market prices is in consequence of unstable economy.
      经济波动致使市场物价忽起忽落。
    • Venation wave spectrum analysis finds out shape-structure change of mid-frequency signal fluctuation.
      脉络波谱图分析查明了中范围(频率)信号波动的形态结构变化。
    • Cross-regional factors flow's influence on the regional economic growth and fluctuation should be versatile.
      摘要要素跨区城流动对区域经济增长和波动的影响应是多方面的。
    • Even a minor fluctuation in the water temperature can affect the fish.
      水温即使有微小的波动,也会对鱼类产生影响。
    • In more than ten years the periodic fluctuation of China's macro economy operation is very obvious.
      近十几年来我国宏观经济运行周期性波动十分明显。
    • The influence of timing jitter and amplitude fluctuation of the sampling pulses is also investigated.
      同时我们还研究了采样光脉冲时间抖动和幅度抖动对光性能监测系统的影响。
    • This ensures there's no electrical fluctuation within the car's systems and prevents a malfunction.
      这保证没有电波动车辆系统内,防止故障。
    • This paper studies the influence factors of the short-term fluctuation of cotton price in China by ARCH model.
      采用ARCH模型对我国国内短期棉花价格波动的影响因素进行了研究。
    • Using this approach, we can abstract from fluctuation in Aggregate Demand.
      运用这一方法,我们可以抽掉总需求中不断变化的因素。