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| hjælpemidler for navigation | |||
| navigationshjælpemiddel | |||
| Английский тезаурус | |||
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| Any visual or electronic device, airborne or on the surface of the earth, that provides point-to-point guidance information or position data to aircraft in flight | |||
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navigation aid : 12 фраз в 3 тематиках |
| Медико-биологические науки | 1 |
| Связь | 3 |
| Транспорт | 8 |