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John Tyndall

资料来源 : WordNet®

John Tyndall
     n : British physicist (born in Ireland) remembered for his
         experiments on the transparency of gases and the
         absorption of radiant heat by gases and the transmission
         of sound through the atmosphere; he was the first person
         to explain why the daylight sky is blue (1820-1893) [syn:
          {Tyndall}]
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