surface normal : 55 phrases in 19 subjects |
Astronautics | 1 |
Construction | 1 |
Electronics | 2 |
Geology | 2 |
Hydraulic engineering | 7 |
Hydrology | 1 |
Lasers | 1 |
Makarov | 12 |
Mathematics | 8 |
Military | 1 |
Nautical | 1 |
Oil / petroleum | 1 |
Physics | 2 |
Rail transport | 1 |
Seismology | 1 |
Statistics | 2 |
Submarines | 1 |
Technology | 9 |
Telecommunications | 1 |