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| 电流放大器 | |||
| 电流放大电路 | |||
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current amplifier : 24 phrases in 8 subjects |
| Air defense | 1 |
| Chemistry | 1 |
| Electric machinery | 1 |
| Electronics | 9 |
| Geophysics | 1 |
| Information technology | 3 |
| Metallurgy | 1 |
| Technology | 7 |
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