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| 射线角 | |||
| ray angle: 39 phrases in 13 subjects |
| Agriculture | 1 |
| Earth sciences | 1 |
| Electronics | 11 |
| General | 1 |
| Geology | 1 |
| Geophysics | 1 |
| Metallurgy | 1 |
| Oil / petroleum | 3 |
| Plastics | 5 |
| Polymers | 5 |
| Space | 2 |
| Steel production | 1 |
| Technology | 6 |
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