Under the criterion of infinite-horizon expected discounted reward, the existence of some optimal policy is proved.

在无穷时间和连续折扣情况下，证明了最优修理、更新策略的存在，以使设备的期望折扣净收入最大。

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Nevertheless, if all of space both inside and outside our horizon is infinite now, it was born infinite.

不过，如果我们视野内外空间都是无限的，那么它诞生于无限。

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Carter Emmart: The flat horizon that we've evolved with has been a metaphor for the infinite, unbounded resources and unlimited capacity for disposal of waste.

我们推演出来的平坦的地平线为了显出其广大而运用了一个隐喻，采取无穷无尽的方式来对材料进行处理。

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Louis Woodhill, following on the work of Art Laffer, developed a framework for judging whether any given amendment to current tax law pays for itself or is self-defeating by analyzing the change in the present value of revenues discounted out to the infinite horizon produced by the tax amendment.

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