spherical coordinate
| robot
| spherical coordinate | |
| nano | сферические координаты |
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| сферические координаты | |||
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spherical coordinate : 9 phrases in 7 subjects |
| Astronautics | 1 |
| Geophysics | 1 |
| Mathematics | 1 |
| Mechanics | 1 |
| Military | 1 |
| Nanotechnology | 2 |
| Navigation | 2 |