Obtenir des informations sur les accords multilatéraux sur l’environnement

  • Marine and Freshwater

Definition(s)

The science or art of conducting ships or aircraft from one place to another, especially the method of determining position, course, and distance travelled over the surface of the earth by the principles of geometry and astronomy and by reference to devices (as radar beacons or instruments) designed as aids. (Source: GEMET/WEBSTER)