 |
| |||
| IR system | |||
| infrared system | |||
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| infrared | |||
| ИК система: 174 phrases in 14 subjects |
| Astronautics | 3 |
| Aviation | 6 |
| Electrical engineering | 1 |
| Electronics | 3 |
| Lasers | 2 |
| Makarov | 7 |
| Mass media | 1 |
| Military | 131 |
| Nanotechnology | 11 |
| Polygraphy | 1 |
| Scientific | 1 |
| Technology | 1 |
| Telecommunications | 5 |
| United Nations | 1 |