 |
| |||
| capa F; región F | |||
| nivel m | |||
| estrato m | |||
| capa ionosférica | |||
| costra f | |||
| réteg: 42 phrases in 12 subjects |
| Agriculture | 1 |
| Communications | 6 |
| Earth sciences | 1 |
| Environment | 3 |
| General | 1 |
| Information technology | 3 |
| Mathematics | 5 |
| Medical | 5 |
| Metallurgy | 1 |
| Microsoft | 14 |
| Statistics | 1 |
| Transport | 1 |