This research used the proportion control method to explore the effects of attention set and time uncertainty on the time course of spatial IOR.

在两个实验中使用比例控制范式，研究了基于空间位置的注意定势及时间不确定性对检测任务中IOR出现时程的影响。

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Time is important information for fast and direct acquisition of military code, and compression of signal's propagation delay time uncertainty is an effective means for it.

辅助长码直捕的一个最重要的先验信息是时间信息，卫星信号传播时延估计是减少时域搜索范围的一个重要方面。

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Because of the confused role time plays in quantum mechanics, the references and meanings of energy-time uncertainty relation are different in different explanatory contexts.

由于时间在量子力学中的特殊性，能量-时间不确定性关系的指称和意义在不同的解释语境中各不相同。

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And it came at a time of uncertainty in relations between the United States and Japan.

VOA: standard.2009.11.13

The president says the class of 2009 is leaving college at a time of economic uncertainty.

VOA: standard.2009.05.14

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

But he also was urged to name an experienced hand in this time of uncertainty.

CNN: WHAT NEXT JAPAN?

First, they deem pharmaceuticals as safe at a time of uncertainty in Europe and slowing growth in China.

FORBES: India Court Ruling Against Novartis Is Dark Omen For Big Pharma

At the same time, uncertainty about the economy kept stock and stock fund allocations from rising significantly at the expenses of bonds and bond funds.

FORBES: Bond Allocations Fall To Five-Month Low