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| light source; luminous source | |||
| световой источник: 39 phrases in 11 subjects |
| American usage, not spelling | 1 |
| Cables and cable production | 3 |
| Construction | 1 |
| Electrical engineering | 2 |
| Firefighting and fire-control systems | 3 |
| Lasers | 1 |
| Makarov | 1 |
| Mass media | 21 |
| Metallurgy | 1 |
| Nanotechnology | 3 |
| Technology | 2 |