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| генерирование частоты; колебание частоты | |||
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频率振荡 : 48 phrases in 8 subjects |
| Electronics | 9 |
| General | 6 |
| Microelectronics | 1 |
| Nautical | 1 |
| Oil processing plants | 1 |
| Quantum electronics | 1 |
| Radio | 2 |
| Technology | 27 |
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