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| 分析 信 号: 54 phrases in 12 subjects |
| Air defense | 2 |
| Aviation | 5 |
| Earth sciences | 2 |
| Electric machinery | 1 |
| Electronics | 17 |
| General | 1 |
| Geophysics | 5 |
| Otorhinolaryngology | 1 |
| Remote sensing | 1 |
| Space | 8 |
| Technology | 10 |
| Telecommunications | 1 |
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