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| 電力調整 (The process of removing spikes, surges, sags, and noise from the power supply and providing power without interruptions) | |||
| power: 13 phrases in 7 subjects |
| Antennas and waveguides | 1 |
| Computers | 1 |
| Electric traction | 1 |
| General | 6 |
| Microsoft | 1 |
| Name of organization | 2 |
| Radio | 1 |