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| 振荡器电压 | |||
| oscillator voltage: 47 phrases in 11 subjects |
| Air defense | 1 |
| Aviation | 2 |
| Earth sciences | 2 |
| Electronics | 20 |
| General | 1 |
| Geophysics | 2 |
| Information technology | 1 |
| Piezoelectric crystals | 1 |
| Radio | 4 |
| Space | 1 |
| Technology | 12 |
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