radio navigational aids meaning in Chinese

无线电台导航设备

A dvordme standard international civil aviation organisation ( icao ) radio navigational aid that provides bearing and distance information to aircraft and to define air traffic control routes for en - route , terminal and instrument approachdeparture procedures
这是国际民航组织指定的标准无线电导航设备，向航机提供方向及距离的资料，以确定航路、终端区程序、仪表进场及离场程序等。
Doppler very high frequency omni - directional range and distance measuring equipment ( dvordme ) system standard icao radio navigational aids used to provide bearing and distance information to aircraft and to define air traffic control routes for en - route , terminal and instrument approachdeparture procedures
这是国际民航组织指定的标准无线电导航设备，可向航机提供方向及距离的资料，并可以确定航路、终端区程序、仪表进场及离场程序等。