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干 扰 机 : 101 phrase in 11 subjects |
| Astronautics | 3 |
| Aviation | 8 |
| Ecology | 1 |
| Electronics | 4 |
| General | 27 |
| Mathematics | 1 |
| Military | 4 |
| Oil and gas | 1 |
| Oil processing plants | 1 |
| Radio | 1 |
| Technology | 50 |
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