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| 频率变化; 频率振荡 | |||
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| 频率变动 | |||
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колебание частоты : 105 phrases in 15 subjects |
| Astronautics | 2 |
| Automated equipment | 1 |
| Aviation | 1 |
| Building structures | 1 |
| Electronics | 6 |
| General | 17 |
| Household appliances | 1 |
| Lasers | 3 |
| Military | 1 |
| Nanotechnology | 1 |
| Nautical | 2 |
| Oil and gas | 4 |
| Physics | 1 |
| Radio | 2 |
| Technology | 62 |
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