词语屋>英语词典>fluctuation翻译和用法

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

    • This paper presents the on line measurement of size, concentration and velocity of pulverized coal with light fluctuation and correlation method.
      该文介绍了结合光脉动法和相关测速法同时在线测量煤粉粒径、浓度和速度的技术和装置。
    • 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。
    • 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。
    • 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;
    • 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。
    • 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 optical storage mechanism was analyzed in term of the fluctuation curves of grating growth and decay.
      结合光栅生长曲线的波动现象,对光存储机制进行了新的探讨。
    • Once we have a function, it is much easier to filter on different data sets and fluctuation thresholds.
      一旦我们拥有了一个函数,对不同的数据集和波动临界点进行过滤就简单多了。
    • 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。
    • In addition, the main reason of china's economic fluctuation in21st century is the stagnation of the transition in some key fields.
      当前中国仍存在经济剧烈波动的可能,其根源在于关键领域改革的滞后。