在支离破碎的汉语交流当中，这两个人发现了后来才发现了为了自我防护而需要的互相保持的距离。

In the brokenness of the Mandarin they spoke, they found the distance that they would need for their own defense later.

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记住，任何的保护措施，不管是否是临时性的，总要比没有任何的防护要好，遮挡放射性尘降物的东西越多，离放射性尘降物的距离越远，越善用时间，保护的效果就会越好。

Remember that any protection, however temporary, is better than none at all, and the more shielding, distance, and time you can take advantage of, the better.

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文章着重探讨了燃气管道与地铁的安全距离、地铁杂散电流的危害和防护。

The article discusses on the safe distance between gas pipeline and metro rail, the hazards of metro stray current and protection measures.

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