Irradiation typically does not work so well on products with high amounts of fat or oil like peanut butter because they can turn rancid during the process.

辐照杀菌很典型的特点是对哪些脂肪或油含量较高的产品杀菌效果不太好，因为食品在辐照的过程中会变质而产生陈腐的味道。

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With irradiation from the inside as well as out, it may take much less to cause genetic changes and impair growth and reproduction, even if it's still not enough to kill the species.

在内部和外部放射性同时刺激下，可能只需要更小剂量的辐射就能引起它们的基因改变，并影响它们的生长和繁衍，即使这些辐射仍然不足以杀死这些物种。

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Though it's fairly uncommon to see irradiated steaks in your grocer's meat case, electron beam irradiation is a well-established practice, according to the U.S. Environmental Protection Agency.

尽管你很少会在杂货店肉案看到辐照过的牛排，但按照美国环境保护局的说法，电子束辐照确实是一个行之有效的做法。

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