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单词
pair production
释义
WordReference Random House Unabridged Dictionary of American English © 2024
pair
′
produc′tion,
Physics
the simultaneous creation of a particle and its antiparticle by a nucleus or particle in an excited state, as when a photon is absorbed.
1930–35
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ultima
ultimacy
ultima ratio regum
ultimate
ultimate constituent
ultimately
ultimateness
ultimate strength
ultima thule
ultimatum
ultimo
ultimogeniture
ultisol
ulto.
ulto
ultra-
ultra
ultrabasic
ultracentrifugally
ultracentrifuge
ultraclean
ultraconservatism
ultraconservative
ultracritical
ultracritically
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更新时间:2025/11/10 5:44:00