цепь сигнализации : 53 phrases in 20 subjects |
Astronautics | 2 |
Automated equipment | 1 |
Aviation | 2 |
Communications | 2 |
Construction | 1 |
Electrical engineering | 2 |
Electronics | 3 |
Firefighting and fire-control systems | 6 |
Gyroscopes | 1 |
Information security and data protection | 2 |
Information technology | 3 |
Mass media | 3 |
Military | 1 |
Nanotechnology | 2 |
Oil / petroleum | 1 |
Rail transport | 1 |
Security systems | 6 |
Technology | 10 |
Telecommunications | 3 |
Transport | 1 |