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受激辐射放大 : 28 phrases in 10 subjects |
| Air defense | 2 |
| Aviation | 3 |
| Earth sciences | 4 |
| Electronics | 11 |
| General | 2 |
| Geology | 1 |
| Oil / petroleum | 1 |
| Physics | 2 |
| Plastic surgery | 1 |
| Technology | 1 |
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