This uncertainty leads to performance reduction of closed-loop systems and can't make systems tracking goals well.

这种不确定性将导致闭环系统的性能下降，使得系统不能很好的跟踪目标。

youdao

Flow field calibration error will effect the uncertainty of the experimental data through data reduction process.

风洞流场校测误差通过试验数据处理而影响试验数据的不确定度。

youdao

Substitution of micro Vickers test by IIT enables significant reduction of measurement uncertainty and automatization.

以压痕测试法替代显微维氏实验可显著地降低测量不确定度及实现自动化。

youdao

Uncertainty quantification, or "UQ, " is the quantitative characterization and reduction of uncertainty in computer applications through running very large suites of calculations to characterize the effects of minor differences in the systems.

ENGADGET: NNSA Sequoia supercomputer takes worlds fastest title, prevents nuclear testing

But as they try to deal with one problem for example, debt reduction for Greece it creates the risk of uncertainty for sovereign debt for Italy and Spain.

WSJ: World Bank President Shares Thoughts on Europe's Debt Crisis

In fact, I think -- our view of this is that while the agreement, the compromise did not achieve the kind of super-sized deficit reduction that we sought, it did end the uncertainty around the perception, the possibility that the United States might default on its obligations for its first time.

WHITEHOUSE: Press Briefing