这样的训练不是什么稀罕的事情，靶场全年都处于使用状态。

Such trainings are not a rare thing, the gunnery range works all year round.

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并且同一年的关于纽约手机信号的无线频谱的调查发现，将近一半的频谱处于使用状态。

And yet a study from the same year of the wireless spectrum devoted to cell phone signals in New York City found that almost half of that spectrum was in use.

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这就可以阻止汽车被别人开走，并且会通过读卡器闪烁红灯来显示此车处于“使用中”的状态。

This blocks the vehicle from being accessed by another party, and shows its "in use" status by a red blinking signal on the card reader.

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