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89-103
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1.
Actinide
:
Any
of
the
series
of
15
consecutive
chemical elements
in
the
periodic table
from
actinium
to
lawrencium
(
atomic numbers
89-103
)
.
锕
系
：
周期表
中
从
锕
到
铹
（
原子序数
89~103
）
的
十五
个
依次
排列
的
一
组
化学元素
。
ā
xì
:
zhōu qī biǎo
zhōng
cóng
ā
dào
láo
(
yuán zǐ xù shù
bā shí jiǔ zhì yì bǎi líng sān
)
de
shí wǔ
gè
yī cì
pái liè
de
yī
zǔ
huà xué yuán sù
。
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