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

• Economic and political risks fuel uncertainty.
  经济和政治风险加剧了市场的不确定性。
• That's the uncertainty of my measurement.
  我测量的不确定度就是这个。
• So there are two uncertainties involved& the distance and the timing uncertainty.
  这里有两个不确定因素-，也就是时间和距离的不确定性。
• 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。
• China had created uncertainty, insecurity and instability in the region.
  中国在该地区制造了不确定性、不安全和不稳定。
• One option gives me a pile of hard cash, but uncertainty and the stigma of unemployment.
  选择一给了我一笔实实在在的现金，但也带来了不确定性和失业这个污点。
• This energy uncertainty in turn appears as a variability in the apparent mass of the particle.
  这种能量的不确定范围，又表现为粒子表观质量的可变性。
• It was a time of terrible uncertainty
  那是一切都很不确定的一段时间。
• 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。
• 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。