voltage levels: 52 phrases in 14 subjects |
Antennas and waveguides | 1 |
Astronautics | 1 |
Electrical engineering | 1 |
Electronics | 13 |
Energy system | 4 |
General | 2 |
Mass media | 2 |
Measuring instruments | 1 |
Medical | 1 |
Military | 1 |
Oil / petroleum | 1 |
Technology | 20 |
Telecommunications | 3 |
Transport | 1 |