uncertainty

英 [ʌnˈsɜːtnti]

美 [ʌnˈsɜːrtnti]

n.  犹豫; 迟疑; 无把握; 拿不定的事; 令人无把握的局面

复数：uncertainties　

IELTS化学

Collins.2 / BNC.2981 / COCA.3728

牛津词典

noun

• 犹豫；迟疑；无把握
  the state of being uncertain
  1. There is considerable uncertainty about the company's future.
     这家公司的前景相当渺茫。
  2. He had an air of uncertainty about him.
     他显出将信将疑的神情。
• 拿不定的事；令人无把握的局面
  something that you cannot be sure about; a situation that causes you to be or feel uncertain
  1. life's uncertainties
     人生的不可知因素
  2. the uncertainties of war
     战争带来的不确定性

柯林斯词典

• N-VAR 不确定；犹疑
  Uncertaintyis a state of doubt about the future or about what is the right thing to do.
  1. ...a period of political uncertainty.
     政治动荡的一段时期
  2. ...the uncertainties of life on the West Coast.
     西海岸生活的迷茫

英英释义

noun

• being unsettled or in doubt or dependent on chance
  1. the uncertainty of the outcome
  2. the precariousness of his income
  Synonym:uncertainnessprecariousness
• the state of being unsure of something
  Synonym:doubtincertitudedubietydoubtfulnessdubiousness

双语例句

• Separation, they say, could cause uncertainty, confusion and inefficiency.
  他们称，分开可能导致不确定性、困惑和效率低下。
• That's the uncertainty of my measurement.
  我测量的不确定度就是这个。
• The conflict with Russia has certainly contributed to this uncertainty.
  与俄罗斯的冲突当然加剧了这一不确定性。
• A parametrical uncertainty analysis of flexible multibody systems was presented.
  研究了柔性多体系统的参数不确定性问题。
• Around every corner lurked doubt and uncertainty.
  每个角落都暗藏着疑虑和不安。
• A method for evaluation of uncertainty was established with standard deviation of relative error.
  建立了一种以相对误差的标准偏差统计不确定度的评估方法。
• Global warming adds another layer of uncertainty and risk.
  全球变暖又增加了一层不确定因素和风险。
• Uncertainty is a discouragement to investment.
  不确定性令投资者裹足不前。
• Economic and political risks fuel uncertainty.
  经济和政治风险加剧了市场的不确定性。
• Each of the three following situations is characterized by a different kind of uncertainty.
  在以下三种状态中，每一种状态都由一种互不相同的不定性所表征。