Taking system optimization design of SRM as the example, physical programming of was proven to be efficient in modelling of decision-making uncertainty during the solid rocket motor design.

以固体火箭发动机总体方案优化设计为例，证明了物理规划方法作为固体火箭发动机设计决策不确定性建模方法的有效性。

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He says the uncertainty is making him wonder whether he will want to rent to universal credit claimants.

BBC: Eviction fears over universal credit housing changes

But political uncertainty is making farmers reluctant to invest.

ECONOMIST: Venezuela

Tighter monetary policy would then have made an adverse feedback loop more likely: The greater uncertainty about asset values would raise credit spreads, causing economic activity to contract further, thereby creating more uncertainty, making the financial crisis worse, causing the economic activity to contract further, and so on.

WSJ: The Fed Still Has Plenty of Ammunition