As markets have rallied worldwide, China's move appears to have brought a ripple of hope, in what has been a sea of uncertainty.

VOA: standard.2010.06.21

Here's Bohr with Heisenberg, and we'll talk about Heisenberg's uncertainty principle.

这是波尔和海森堡，我们将讨论海森堡的不确定性原理。

麻省理工公开课 - 固态化学导论课程节选

Expected value is good and variance is bad because that's risk; that's uncertainty.

期望值越高越好,方差就相反,因为方差代表着风险,也就是不确定性

耶鲁公开课 - 金融市场课程节选

For many investors in Asia, gold's role as a source of safety and value has been reinforced over the past year of economic uncertainty.

VOA: standard.2010.07.21

We studied the Heisenberg's uncertainty principle.

我们学习过海森堡的测不准原理。

麻省理工公开课 - 固态化学导论课程节选

But,given the recent rousing debate over Cabinet appointments, Ehteshami says Mr.Hariri's resignation means further political uncertainty not just for Lebanon but for the entire region.

VOA: standard.2009.09.11

One thing that I'll just throw out now is that it's a remarkable description of the modern world of moral uncertainty.

我要去掉的一个东西就是,对于现代世界道德的不确定性的描述。

耶鲁公开课 - 弥尔顿课程节选

NATO Secretary-General Anders Fogh Rasmussen made clear that despite an intensifying insurgency and uncertainty over whether U.S.President Barack Obama will send more troops, NATO will remain in Afghanistan.

VOA: standard.2009.11.17

NO So that the more complete answer to the question is that no, we're never going to be able to observe that because of the uncertainty principle it's not possible to observe a velocity that's this slow for a macroscopic object.

所以这个问题的完整答案是，由于不确定性原理,我们不可能测量到这么慢的,宏观物体的速度，希望这个解释。

麻省理工公开课 - 化学原理课程节选

The U.N.'s top diplomat in Iraq,Ad Melkert, echoed the council's call, saying the delays are contributing to uncertainty and creating conditions that could be exploited by elements opposed to the country's democratic transition.

VOA: standard.2010.08.04

Let's assume that I know what I'm earning next year; there is actually uncertainty about it.

假设我知道我明年会赚多少钱,虽然这通常都是不确定的

耶鲁公开课 - 金融市场课程节选

Last month's murder of both the president and the army chief of staff has heightened the country's political uncertainty at a time when Luciani says the government must move quickly to protect a generation exposed to AIDS.

VOA: standard.2009.04.24

It's much better--the uncertainty about x/n is much lower for the case n = 100 than it was for the case n = 1, but it's still there.

当n=100时,x/n的不确定性,比n=1时要小得多,但是不确定性仍然是存在的

耶鲁公开课 - 金融市场课程节选

Despite signs of a gradually improving economy, job growth continues to lag in the U.S.Unemployment remains high at 10 percent after the economy shed another U.S.Chamber of Commerce President Thomas Donohue says the reason is obvious: uncertainty is causing large and small businesses to think twice before hiring new workers.

VOA: standard.2010.01.12