 |
| |||
| net conversion efficiency (Olga_ptz) | |||
| энергетический коэффициент: 18 phrases in 11 subjects |
| Construction | 1 |
| Ecology | 1 |
| Electrical engineering | 1 |
| Electronics | 2 |
| Energy industry | 1 |
| General | 1 |
| Nautical | 1 |
| Oil / petroleum | 3 |
| Solar power | 1 |
| Technology | 5 |
| Радиоактивное излучение | 1 |