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| светосигнал | |||
| световая сигнализация; световой сигнал; лучевая сигнализация; оптическая сигнализация | |||
| 发光信号: 33 phrases in 8 subjects |
| Astronautics | 1 |
| Aviation | 4 |
| Electrical engineering | 1 |
| Electronics | 1 |
| General | 12 |
| Military | 3 |
| Photography | 1 |
| Technology | 10 |
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