就这个理论而言，即使财政刺激计划暂时减少了失业率，在长期来看也会完全失效。

Even if a stimulus package temporarily reduced unemployment, in this theory, it would be entirely ineffective over the long haul.

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空军已经采纳了一种“反太空战”(counterspace operations)学说，拟想在一场未来战争中，要么摧毁敌方卫星，要么暂时使之失效。

The air force has adopted a doctrine of "counterspace operations" that envisages either destroying enemy satellites in a future war or temporarily disabling them.

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