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extragalactic background radiation造句

"extragalactic background radiation"是什么意思   

例句與造句

  1. Extragalactic background radiation
    河外背景輻射
  2. It's difficult to find extragalactic background radiation in a sentence. 用extragalactic background radiation造句挺難的

相鄰詞匯

  1. "extragalactic"造句
  2. "extragalactic astronomy"造句
  3. "extragalactic astrophysics"造句
  4. "extragalactic background"造句
  5. "extragalactic background light"造句
  6. "extragalactic cosmic ray"造句
  7. "extragalactic cosmic rays"造句
  8. "extragalactic distance scale"造句
  9. "extragalactic maser"造句
  10. "extragalactic nebula"造句
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