 |
| systems approach: 209 phrases in 27 subjects |
| Aeronautics | 1 |
| Airports and air traffic control | 3 |
| Apollo-Soyuz | 1 |
| Astronautics | 7 |
| Automated equipment | 1 |
| Aviation | 46 |
| Computers | 1 |
| Construction | 2 |
| Economy | 1 |
| Electronics | 3 |
| Energy industry | 2 |
| General | 2 |
| Information security and data protection | 1 |
| Makarov | 1 |
| Mass media | 1 |
| Meteorology | 9 |
| Military | 81 |
| Mining | 1 |
| Missiles | 1 |
| Nautical | 1 |
| Navigation | 1 |
| Operation systems | 1 |
| Programming | 12 |
| Rail transport | 1 |
| Security systems | 2 |
| Technology | 25 |
| Weapons of mass destruction | 1 |