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| spherical coordinate system | |||
| spherical coordinate system | |||
| система сферических координат: 18 phrases in 12 subjects |
| Artillery | 1 |
| Astronautics | 1 |
| Automated equipment | 1 |
| Cartography | 1 |
| Electronics | 2 |
| Makarov | 1 |
| Mass media | 1 |
| Mathematics | 1 |
| Mechanics | 1 |
| Military | 1 |
| Navigation | 2 |
| Robotics | 5 |