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单词 x-ray tube
释义

WordReference Random House Unabridged Dictionary of American English © 2024
x-ray tube′, 
  1. Electronics, Physicsan electronic tube for producing x-rays, essentially a cathode-ray tube in which a metal target is bombarded with high-energy electrons.
  • 1905–10

Collins Concise English Dictionary © HarperCollins Publishers::
X-ray tube n
  1. an evacuated tube containing a metal target onto which is directed a beam of electrons at high energy for the generation of X-rays
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更新时间:2025/7/24 22:05:49