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分 组 码 : 56 phrases in 13 subjects |
| Air defense | 1 |
| Aviation | 1 |
| Business | 4 |
| Construction | 1 |
| Cryptography | 16 |
| Electronics | 3 |
| General | 1 |
| Information technology | 8 |
| Management | 1 |
| Multimedia | 1 |
| Space | 12 |
| Technology | 4 |
| Telecommunications | 3 |
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