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
• a wave motion
  1. the fluctuations of the sea

双语例句

• Traditional macroeconomics believes that short-run fluctuation had no effect on the long-run economic growth.
  传统的宏观经济学认为，短期波动不会对经济的长期增长造成影响。
• 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。
• 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。
• In electricity market, the fluctuation of market factors brings about much more adjustment demand of power tariff.
  在电力市场中，销售电价面临因市场因素变动导致的更多调整需求。
• A demodulating strain method that avoids light source's fluctuation and environmental factors is put forward.
  提出了一种不需要双光路信号就减小了光源波动及环境因素对测量的影响的解调应力方法。
• 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。
• The Central Bank successfully curbed the economic fluctuation.
  央行成功抑制了这样的经济波动。
• In changeful wind conditions and load fluctuation maximizes the stability of shaft output.
  在风力和负载变化的情况下，能最大限度保持机械轴的输出稳定性。
• 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；