VORomni-directional rangingDME distance measurement equipmentNDB non-directional beaconVHF1、新航行系统新航行系统是基于卫星...
VORomni-directionalrangingDMEdistancemeasurementequipmentNDBnon-directionalbeaconVHF1、新航行系统新航行系统是基于卫星技术为基本特...
