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| 双边带 | |||
| 双边帝 | |||
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| 双边带 | |||
| double sideband: 43 phrases in 10 subjects |
| Air defense | 9 |
| Aviation | 3 |
| Business | 1 |
| Electronics | 12 |
| Geophysics | 2 |
| Information technology | 2 |
| Military | 1 |
| Space | 4 |
| Technology | 5 |
| Telecommunications | 4 |
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