observation navigation, Total:4 items.
In the international standard classification, observation navigation involves: Geology. Meteorology. Hydrology, Aircraft and space vehicles in general, On-board equipment and instruments.
satellite navigation, navigation satellite, to observe, navigation replacement, navigation, marine navigation, marine navigation, Navigation map, observation navigation, observation navigation, Navigation, Quick navigation, ais navigation, group navigation, Research Navigation, six six six navigation, navigation buoy, navigation buoy, Navigation Engineering, navigation orientation.
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