They were monitoring the upper air to collect evidence of atomic explosions.

他们正在检测高空空气以收集原子爆炸的证据。

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Air should leak into an atomic reactor and then leak out again.

空气渗进了原子反应堆，然后又渗出来。

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Air should leak into an atomic reactor and then leak out again.

空气渗进了原子反应堆，然后又渗出来。

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