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

• 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 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。
• The aridity and the humidity effected the fluctuation of lake level and controlled the basin filling and sequence development.
  干旱和潮湿气候影响了湖平面波动，控制着层序充填和准层序叠置形式；
• 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。
• A Study on the Effect of FDI's Flow on China's Employment under Economic Cyclical Fluctuation
  经济周期波动下FDI流动对我国就业的影响研究
• This is an11-year fluctuation in sunspot numbers.
  这是一个11岁的波动太阳黑子数。
• 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。
• 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。
• 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。
• 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。