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.

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。

youdao

Remember the three protective factors: Distance, shielding, and time.

要记住躲避核辐射的三因素：距离，掩体，时间。

youdao

We wish to estimate at what distance this shielding becomes incomplete.

我们想要估计一下，在多大距离处这种屏蔽作用将变为不完全的。

youdao