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稳定状态 : 79 phrases in 11 subjects |
| Aviation | 4 |
| Electronics | 5 |
| General | 8 |
| Information technology | 1 |
| Mathematics | 2 |
| Medical | 1 |
| Military | 2 |
| Oil and gas | 2 |
| Oilfields | 1 |
| Radio | 1 |
| Technology | 52 |
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