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响报 : 56 phrases in 11 subjects |
| Automated equipment | 1 |
| Aviation | 1 |
| Ecology | 1 |
| Economy | 2 |
| Education | 2 |
| Electronics | 14 |
| General | 20 |
| Military | 3 |
| Security systems | 1 |
| Technology | 9 |
| Telecommunications | 2 |
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