electron-beam
英[e'lektrɒnb'iːm]
美[e'lektrɒnb'iːm]
- 阴极射线
详细释义
名词 electron beam:
-
a group of nearly parallel lines of electromagnetic radiation
双语例句
- The device in a writing tube or CRT which generates the electron beam.
扫描管或阴极射线管中一种产生电子束的部件。 - For instance, the phosphor on a CRT screen needs to be constantly reactivated by an electron beam in order to remain illuminated.
例如，阴极射线管荧光屏上的磷光体为了保持它激发光状态，需要用电子束不断地再激励。
相关词汇
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electron
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