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场辐射 : 56 phrases in 11 subjects |
| Agriculture | 5 |
| Air defense | 6 |
| Aviation | 9 |
| Communications | 1 |
| Electronics | 12 |
| Information technology | 3 |
| Nuclear physics | 2 |
| Oil / petroleum | 1 |
| Refrigeration | 1 |
| Space | 5 |
| Technology | 11 |
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