| |||
| проблемный момент (bookworm) | |||
|
problem point : 35 phrases in 13 subjects |
| Applied mathematics | 1 |
| Astronautics | 1 |
| Aviation | 1 |
| Cartography | 1 |
| Diplomacy | 1 |
| General | 3 |
| Geophysics | 1 |
| Makarov | 6 |
| Mathematics | 10 |
| Mechanics | 5 |
| Navigation | 1 |
| Surveying | 1 |
| Technology | 3 |