| |||
механический сигнал |
positive signal: 18 phrases in 12 subjects |
Automated equipment | 1 |
Aviation | 2 |
Computers | 2 |
Economy | 1 |
Electrical engineering | 1 |
Energy industry | 1 |
Geophysics | 1 |
Information technology | 2 |
Makarov | 1 |
Mass media | 1 |
Military | 2 |
Technology | 3 |