 |
| direct voltage/current: 37 phrases in 14 subjects |
| Automated equipment | 1 |
| Caspian | 1 |
| Construction | 1 |
| Electrical engineering | 4 |
| Electronics | 3 |
| Energy industry | 4 |
| General | 1 |
| Geophysics | 1 |
| Makarov | 4 |
| Metrology | 1 |
| Military | 2 |
| Sakhalin | 1 |
| Technology | 12 |
| Telecommunications | 1 |