英语词汇“annihilation radiation”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-现代词典

单词	annihilation radiation
释义	WordReference Random House Unabridged Dictionary of American English © 2024 annihila′tion radia′tion, [Physics.] Physicselectromagnetic radiation produced by the coalescence and mutual annihilation of a positron and an electron, each pair forming two photons having a minimum energy of 0.5 million electron volts each. 1960–65
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