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| 射 线 原: 23 phrases in 12 subjects |
| Agriculture | 3 |
| Astronomy | 1 |
| Aviation | 1 |
| Earth sciences | 1 |
| Explosives and Explosive Ordnance Disposal | 1 |
| General | 2 |
| Geophysics | 1 |
| Metallurgy | 6 |
| Oil / petroleum | 1 |
| Polymers | 1 |
| Space | 1 |
| Technology | 4 |
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