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| начало сетки (The point that defines the layout of grid lines on the drawing page. A vertical grid line and a horizontal grid line pass through the grid origin, and all other grid lines are drawn at specified intervals from these reference lines) | |||
| начало координат сетки | |||
| начало координат | |||
| grid origin: 3 phrases in 3 subjects |
| Artillery | 1 |
| Cartography | 1 |
| Caspian | 1 |