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单词 delta particle
释义

WordReference Random House Unabridged Dictionary of American English © 2024
delta par′ticle, [Physics.]
  1. Physicsany of a family of baryon resonances having strangeness 0, isotopic spin 32, and either a single or double positive electric charge, a single negative charge, or no charge. Symbol: Δ

Collins Concise English Dictionary © HarperCollins Publishers::
delta particle n
  1. a very short-lived hyperon
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