人们可能会因为核事故释放的小剂量电离辐射而致癌。

People can get cancer from low doses of ionizing radiation, the kind released in a nuclear accident.

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不过，TCDD并不影响遗传物质，并且低于一定剂量的接触，致癌风险可以忽略不计。

However, TCDD does not affect genetic material and there is a level of exposure below which cancer risk would be negligible.

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而这个“最大剂量”，只是提升致癌风险年辐射最低剂量的一半。再看这个“提升致癌风险年剂量最低值”，只是致命辐射量数值的80分之一。

This, in turn, is half of the lowest one-year dose clearly linked to an increased cancer risk, which, in its turn, is one 80th of an invariably fatal exposure.

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