no-fly zone
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目前主要有两种由空中打击力量形成的禁飞区。
There are two primary types of no-fly zones imposed by air forces.
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但是禁飞区选项还可能抬头。
The option of a no-fly zone may yet gain ground, however.
最起码，我们需要在奥伊斯特河上方设立禁飞区。
At the very least, we need a no-fly zone over Oyster Creek.
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