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单词 antimatter
释义

antimatter

/ˈantɪˌmatə /
noun [mass noun] Physics
Matter consisting of elementary particles which are the antiparticles of those making up normal matter.In the enormous densities of the early moments of the Big Bang the result would have been a catastrophic annihilation of matter and antimatter into radiation....
  • There is both matter (such as electrons) and oppositely charged antimatter (such as positrons).
  • Paul Dirac predicted the existence of antimatter with his relativistic wave equation in 1928.
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更新时间:2025/3/22 23:48:25