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| основная частота; частота первой гармоники | |||
| основной тон | |||
| базисная частота | |||
| базовая частота | |||
| частота неровностей грунта (дороги) | |||
| Grundfrequenz: 5 phrases in 2 subjects |
| Electronics | 1 |
| Quantum electronics | 4 |
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