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组合线 : 44 phrases in 9 subjects |
| Antennas and waveguides | 2 |
| Cartography | 1 |
| Electronics | 8 |
| General | 16 |
| Information technology | 1 |
| Mathematics | 1 |
| Oil processing plants | 1 |
| Technology | 12 |
| Telecommunications | 2 |
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