Roentgen decided that the tube must have been emitting some sort of penetrating rays. He named them X for unknown.

 
  • 倫琴認為陰極射線(xiàn)管一定在發(fā)射某種穿透力極強的射線(xiàn),他稱(chēng)這種未知的射線(xiàn)為X射線(xiàn)。
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