Health effects can only occur if someone is exposed to radiation, thus the main protective action someone can take is to prevent exposure.
只有当人暴露在辐射下，对健康的影响才会出现，因此人们要采取的主要保护措施就是防止暴露。
Health effects can only occur if someone is exposed to radiation, thus the main protective action someone can take is to prevent exposure.
只有当人暴露在辐射下，对健康的影响才会出现，因此人们要采取的主要保护措施就是防止暴露。
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