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actinium-A
gen.
钢-A
(针的同位素)
actinium A
earth.sc.
锕 A
(针的同位素 Po²¹⁵)
el.
钢А
environ.
锕 A
(AcA (钋同位素 Po²¹⁵))
met.
锕 A
(AcA 钋同位素 Po
215
)
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