| 单词 | 对阴极 |
| 释义 | 〔target〕A usually metal part in an x-ray tube on which a beam of electrons is focused and from which x-rays are emitted.X射线靶，对阴极：X射线管中通常为金属的部分，该部分被一束电子所瞄准并释放出X射线〔anticathode〕An electrode that is the target in a cathode-ray tube, especially in an x-ray tube.对阴极：在阴极射线管，尤其是X射线管内的对阴极电极 |
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