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- Abstract: In the paper, the cathode spot movements and chopping current of pure graphite and copper-impregnated metallized graphite (Cu-C) in vacuum were investigated. 中文摘要: 研究了纯石墨和铜-石墨材料的阴极斑点的特性及真空电弧截流现象。
- A display device that uses a cathode ray tube. 一种使用阴极射线管的显示装置。
- The city is famed for its scenic spots. 该市以风景优美著称。
- Jean has come out in spots so she's staying in bed. 琼身上出现斑点，所以正卧床休息。
- I'm afraid we are in for a spot of trouble. 恐怕我们是一定要遇到麻烦了。
- She broke out in spots this morning. 她今天上午身上出现了皮疹。
- Her hands came out in red spots. 她手上起了红斑点。
- History is one of his blind spots. 历史是他一窍不通的科目。
- Did you feel a few spots of rain? 下了几滴雨，你感觉到了吗？
- An electron tube having a cathode and an anode. 电子二极管有一个阳极和一个阴极的电子管
- He is hit by a falling tree and killed on the spot. 一棵树倒下来，把他当场砸死了。
- I've always had a real soft spot for him. 我一向对他挺有好感。
- The second part is the high spot of this book. 第二部分是这本书的最精彩部分。
- His activities in London center around this spot. 他在伦敦的活动以这个地点为中心。
- All apples with soft spots were rejected. 所有带软斑点的苹果都被剔除。
- Luckily there was a doctor on the spot. 幸运的是现场有一位医生。
- The leopard cannot change its spots. [谚]江山易改，本性难移。
- This cross marks the spot where she died. 这个十字符号标明她死去的地点。
- Can you spot the flaw in their argument? 你能指出他们论点中的谬误吗?
- German physicist. He won a1905 Nobel Prize for his work on cathode rays. 勒纳，菲利普1862－1947德国物理学家。因在阴极射线方面的成果而荣获1905年诺贝尔奖
