cathode-ray是什么意思 cathode-ray怎么读
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英 ['kæθəʊdr'eɪ]
英 ['kæθəʊdr'eɪ]
美 ['kæθəʊdr'eɪ]
美 ['kæθəʊdr'eɪ]
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阴极射线
cathode-ray的英文翻译是什么意思，词典释义与在线翻译
名词 cathode ray:- a beam of electrons emitted by the cathode of an electrical discharge tube
cathode-ray的用法和样例
- A cathode ray tube is shaped like a large bell.
阴极射线管的形状象个大铃铛。 - Cathode rays are attracted by a positive charge.
阴极射线被阳电荷所吸引。
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