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11. | atomic beam and molecular beam |
| 原子束和分子束 |
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12. | beam spectroscopy |
| 束光谱学 |
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13. | equilibrium beam |
| 平衡束 |
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14. | scattered-out beam |
| 散射束 |
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15. | collimated beam |
| 平行束 |
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16. | beam collimator |
| 束准直仪|束平行光管 |
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17. | intersecting beam |
| 交叉束 |
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18. | self focusing beam |
| 自聚焦束 |
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19. | beam attenuation |
| 束衰减 |
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20. | beam tilt angle |
| 束倾角 |
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