| |||
hand-shaking signal | |||
LF sign; low-frequency sign | |||
low-frequency signal |
низкочастотный сигнал : 32 phrases in 10 subjects |
Computers | 1 |
Electronics | 5 |
Hi-Fi | 1 |
Household appliances | 1 |
Makarov | 1 |
Mass media | 12 |
Military | 4 |
Radiolocation | 1 |
Seismology | 1 |
Technology | 5 |