Vor very high frequency omnidirectional radio range 超短波全方向式无线标识
Performance requirements and test methods for doppler very high frequency omnidirectional radio range 多普勒甚高频全向信标性能要求和测试方法
英文解释
a navigational system consisting of a network of radio beacons that provide aircraft with information about exact position and bearing 同义词:omnirange, omnidirectional range,