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| 航空服务 | |||
| 航空通信服务 | |||
| aeronautical service: 33 phrases in 10 subjects |
| Air defense | 1 |
| Aviation | 13 |
| Earth sciences | 1 |
| Electronics | 3 |
| General | 1 |
| Information technology | 3 |
| International trade | 1 |
| Space | 8 |
| Technology | 1 |
| Telecommunications | 1 |
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