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

• The climate is a complex system, of course, and forecasting it fraught with uncertainty.
  当然，气候是个复杂的系统，对气候进行预测也充满了不确定性。
• 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。
• 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。
• 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。
• Risk and uncertainty introduce a crucial asymmetry.
  风险和不确定性制造了一个严重的不对称。
• Uncertainty is a discouragement to investment.
  不确定性令投资者裹足不前。
• Given the uncertainty over Leigh's future I was left with little other choice.
  考虑到利前途未卜，我没有什么选择余地。
• That's the uncertainty of my measurement.
  我测量的不确定度就是这个。
• Such convolutions leave the reader in a high state of uncertainty about what you just said.
  这样拐弯抹角使读者因不能确定你所说的话而十分着急。
• Aerodynamic performance robustness constrained models are built which are subject to the uncertainty factors of velocity and twist angle.
  建立了面向速度和扭转角两个不确定性因素的气动性能稳健性约束模型；