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| "вари-мю"; с переменной крутизной (о лампах) | |||
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| с переменной крутизной (variable-μ) | |||
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variable mu : 21 phrases in 11 subjects |
| Acoustics | 1 |
| Antennas and waveguides | 2 |
| Electrical engineering | 2 |
| Electronics | 2 |
| Makarov | 1 |
| Mass media | 1 |
| Metallurgy | 1 |
| Radio | 2 |
| Radioengineering | 5 |
| Rail transport | 1 |
| Technology | 3 |