 |
| |||
| Nh-кривая (зависимость электронной концентрации от высоты над землёй) | |||
| N -curve: 17 phrases in 11 subjects |
| Astronautics | 1 |
| Automated equipment | 1 |
| Automobiles | 2 |
| Aviation | 3 |
| Construction | 1 |
| Energy industry | 1 |
| Makarov | 2 |
| Materials science | 1 |
| Mathematics | 2 |
| Metallurgy | 2 |
| Occupational health & safety | 1 |