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| стабилизация частоты | |||
| 频率稳定: 31 phrases in 8 subjects |
| Automated equipment | 1 |
| Electricity | 1 |
| Electronics | 4 |
| General | 6 |
| Microelectronics | 1 |
| Oil processing plants | 1 |
| Radio | 1 |
| Technology | 16 |
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