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начальный меридиан | |
astronaut. | prime meridian |
cartogr. | principal meridian; initial meridian |
cartogr. amer. | central meridian |
cartogr. obs. | basis meridian |
construct. | initial direction |
Makarov. | base meridian; meridian of origin |
условная система координат | |
O&G, sakh. | false grid system |
начальный меридиан: 5 phrases in 3 subjects |
Geophysics | 3 |
Nautical | 1 |
Navigation | 1 |