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strontium 90
释义
WordReference Random House Unabridged Dictionary of American English © 2024
strontium 90,
[
Chem.
]
Chemistry
a harmful radioactive isotope of strontium, produced in certain nuclear reactions and present in their fallout. Also called
radiostrontium.
1950–55
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更新时间:2026/8/11 12:33:13