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 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。
• 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。
• The Central Bank successfully curbed the economic fluctuation.
  央行成功抑制了这样的经济波动。
• 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。
• 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 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。
• We discover they have a relationship between the exchange rate fluctuation and the fluctuating price of real estate.
  通过二者的共性和特性的分析，发现汇率波动与房地产价格波动是有一定关联性的。
• 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 Fluctuation of China's Macro-economy: Internal Adjustment or External Shocks?
  中国宏观经济波动：内部调整还是外部冲击？
• This is an11-year fluctuation in sunspot numbers.
  这是一个11岁的波动太阳黑子数。