| 单词 | light-gating cathode-ray tube |
| 释义 | light-gating cathode-ray tube [`līt ´gād·iŋ ¦kath´ōd `rā ´tüb] ELECTRONICS A cathode-ray tube in which the electron beam varies the transmission or reflection properties of a screen that is positioned in the beam of an external light source. |
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