大气降尘中所含的镉和铅都对环境和人体健康造成危害。

Cadmium and Lead in dustfall is harmful to environment and human health.

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时间——放射性尘降物的辐射强度衰减很快。

Time - fallout radiation loses its intensity fairly rapidly.

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以及10%的剩余核辐射。剩余核辐射带来放射性尘降危害。

Residual nuclear radiation is the hazard in fallout.

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任何一次核爆炸都会产生放射性尘降物。

Any nuclear blast results in some fallout.

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任何一次核爆炸都会产生放射性尘降物。

Any nuclear blast results in some fallout.

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