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| PBC (см. Play Back Control Arky) | |||
| Play Back Control (PBC Vladimir Fedin) | |||
| управление воспроизведением: 31 phrases in 9 subjects |
| Computers | 1 |
| Electronics | 1 |
| General | 1 |
| Information technology | 5 |
| Mass media | 17 |
| Military | 1 |
| Programming | 1 |
| Software | 1 |
| Telecommunications | 3 |