| 1. | an electron mirror. |
| 电子反谢镜。
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| 2. | An electron can drop from a higher level to a lower one with the emission of packet of electromagnetic radiation. |
| 利用电磁辐射束的辐射，能使电子从高能级落到低能级。
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| 3. | the physics of the electron |
| 电子物理学
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| 4. | an electron beam |
| 电子束
|
| 5. | an electron microscope |
| 电子显微镜
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| 6. | an electron lens |
| 电子透镜
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| 7. | an electron gun |
| 电子枪
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| 8. | an electron jet |
| 电子束，电子流
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| 9. | atomic [ electron , nuclear] spin |
| 原子[电子、核]自旋
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| 10. | synchronize the seining electron beam in the television receiver with that in the studio |
| 使电视收机和电视演播室中的扫描电子射线完全同步
|