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单词 radioactive series
释义 radioactive seriesn.(名词)
  1. A group of isotopes representing various stages of radioactive decay in which the heavier members of the group are transformed into successively lighter ones, the lightest being stable.放射系:代表放射性衰变不同阶段的一组同位素,较重的元素连续地转化成较轻的元素,最轻的元素变得稳定
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