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actinide
释义
ac·ti·nide
AHD
[ăkʹtə-nīd']
D.J.
[ˈæktəˌnaɪd]
K.K.
[ˈæktəˌnaɪd]
n.
(名词)
Any of a series of chemically similar, radioactive elements with atomic numbers ranging from 89 (actinium) through 103 (lawrencium).
锕类:任何化学性质相似,原子序数在89(锕)与103(铹)之间变化的放射性元素
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