 |
| beam tube: 143 phrases in 21 subjects |
| Antennas and waveguides | 2 |
| Astronautics | 5 |
| Automated equipment | 7 |
| Aviation | 2 |
| Computers | 2 |
| Electrical engineering | 2 |
| Electronics | 16 |
| General | 2 |
| Household appliances | 5 |
| Information technology | 4 |
| Makarov | 8 |
| Mass media | 12 |
| Metrology | 4 |
| Military | 3 |
| Navigation | 1 |
| Physics | 7 |
| Pipelines | 1 |
| Shipbuilding | 3 |
| Technology | 45 |
| Telecommunications | 8 |
| Trademark | 4 |