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

• The Central Bank successfully curbed the economic fluctuation.
  央行成功抑制了这样的经济波动。
• 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。
• Characteristics of the International Oil Price Fluctuation and the Impact on China's Macro-economic Analysis
  国际油价波动特征及对我国宏观经济的影响分析
• Moreover, the influence of the geometric parameters on efficiency and speed fluctuation of the roller drives is discussed.
  并且论文也讨论了滚筒的几何参数对效率和速度变化的影响。
• 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。
• This paper introduces the definitions, related concepts and hazards of voltage fluctuation and flicker;
  摘要介绍电压波动和闪变的定义、相关概念、危害；
• 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
• Cyclic fluctuation is a common phenomenon in the economic development.
  周期波动是经济发展过程中的常见现象。
• 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 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。