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| индикаторный сигнал (oleg.vigodsky) | |||
| indication signal: 44 phrases in 12 subjects |
| Astronautics | 2 |
| Computer networks | 2 |
| Electronics | 2 |
| Geophysics | 1 |
| Information technology | 3 |
| Military | 2 |
| Physics | 1 |
| Rail transport | 9 |
| Security systems | 1 |
| Technology | 10 |
| Telecommunications | 10 |
| Telephony | 1 |
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