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| 参数放大器; 参量放大器 | |||
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| 容量放大器 | |||
| 参量放大器 | |||
| 参数放大器 | |||
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parametrical amplifier : 63 phrases in 10 subjects |
| Air defense | 4 |
| Aviation | 2 |
| Electronics | 14 |
| General | 1 |
| Information technology | 1 |
| Radio | 3 |
| Shipbuilding | 1 |
| Space | 5 |
| Technology | 29 |
| Telecommunications | 3 |
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