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| correcting signal | |||
| correction signal | |||
| 校正信 号: 14 phrases in 8 subjects |
| Air defense | 1 |
| Aviation | 1 |
| Electronics | 4 |
| General | 1 |
| Information technology | 2 |
| Oil / petroleum | 1 |
| Technology | 3 |
| Telecommunications | 1 |
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