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| фазовая частота | |||
| 相 频率: 50 phrases in 11 subjects |
| Automated equipment | 1 |
| Electronics | 12 |
| General | 8 |
| Mathematics | 4 |
| Military | 1 |
| Nanotechnology | 1 |
| Oil processing plants | 1 |
| Radio | 1 |
| Seismology | 2 |
| Technology | 16 |
| Telecommunications | 3 |
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