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单词
cesium 137
释义
WordReference Random House Unabridged Dictionary of American English © 2024
cesium 137,
[
Chem.
]
Chemistry
the radioactive cesium isotope with mass number 137 and a half-life of 33 years: used for gamma irradiation of certain foods and for radiation therapy. Also called
radiocesium.
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更新时间:2025/7/23 17:31:56