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| 原子束 | |||
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| 原子束; 原子射线束; 原子注 | |||
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atomic- beam : 10 phrases in 6 subjects |
| Aviation | 1 |
| Earth sciences | 1 |
| Electronics | 3 |
| General | 1 |
| Geophysics | 3 |
| Space | 1 |
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