 |
| closed structure: 23 phrases in 13 subjects |
| Antennas and waveguides | 1 |
| Astronautics | 4 |
| Electronics | 1 |
| General | 1 |
| Makarov | 4 |
| Microelectronics | 1 |
| Military | 1 |
| Nanotechnology | 3 |
| Oil / petroleum | 1 |
| Physics | 1 |
| Refrigeration | 1 |
| Technology | 3 |
| Thermal engineering | 1 |
|
| closed structure: 23 phrases in 13 subjects |
| Antennas and waveguides | 1 |
| Astronautics | 4 |
| Electronics | 1 |
| General | 1 |
| Makarov | 4 |
| Microelectronics | 1 |
| Military | 1 |
| Nanotechnology | 3 |
| Oil / petroleum | 1 |
| Physics | 1 |
| Refrigeration | 1 |
| Technology | 3 |
| Thermal engineering | 1 |