|
structural element : 29 phrases in 14 subjects |
| Architecture | 2 |
| Astronautics | 3 |
| Aviation | 1 |
| Building structures | 1 |
| Chess | 1 |
| Construction | 11 |
| Electronics | 1 |
| Mechanic engineering | 1 |
| Military | 2 |
| Nanotechnology | 2 |
| Neural networks | 1 |
| Rail transport | 1 |
| Seismology | 1 |
| Technology | 1 |