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单词
xi particle
释义
WordReference Random House Unabridged Dictionary of American English © 2024
xi
′
par′ticle,
[
Physics.
]
Physics
any of a family of baryons having strangeness -2 and isotopic spin ½.
Symbol:
Χ Cf.
cascade particle.
1960–65
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更新时间:2025/11/8 5:00:36