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| slope of tangent | |||
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| угол касательной: 30 phrases in 14 subjects |
| Artillery | 1 |
| Astronautics | 1 |
| Automobiles | 2 |
| Aviation | 1 |
| Cartography | 1 |
| Construction | 4 |
| General | 2 |
| Makarov | 3 |
| Mass media | 2 |
| Mathematics | 4 |
| Military | 5 |
| Missiles | 1 |
| Paleontology | 1 |
| Weapons and gunsmithing | 2 |