The optimal model of inspection and maintenance for the deteriorating system is presented with the semi-Markov decision process.

提出了一类基于半马氏决策过程的劣化失效系统检测与维修优化模型。

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The Arctic sea ice holds a central position in the Earth's climate system and it's deteriorating faster than expected.

北极海冰在地球气候系统中占据中心位置，并且它恶化的速度比预期的更快。

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With their support system deteriorating, the photoreceptors die too.

随着支持系统的消逝，感光层随之死亡。

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Already, despite its massive oil production of roughly 2 million bpd, Venezuela imports increasingly large amounts of gasoline to compensate for a deteriorating refining system.

FORBES: Deadly Venezuela Refinery Blast Likely To Increase Demand For U.S. Gasoline

In Washington, the alarm about the deteriorating economy and the crisis in the financial system is rising.

FORBES: Magazine Article

Strong fundamentals along with ample liquidity, which will remain in the system even after the end of QE2, and a lagging, even deteriorating economic outlook for developed nations, will provide support for EM investments in the short-term, according to HSBC.

FORBES: Emerging Market Debt And 'Secular Growth' Equity-Trends Attract Capital Flows