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| 反馈式放大器 | |||
| 反馈放大器 | |||
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feedback amplifier : 25 phrases in 7 subjects |
| Aviation | 1 |
| Business | 1 |
| Electronics | 4 |
| Oil / petroleum | 1 |
| Shipbuilding | 1 |
| Space | 1 |
| Technology | 16 |
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