marker beacon

短语

[电] 无线电位置标

词形变化

marker beacons 复数 marker beacons

释义与例句

n.
  1. 1.

    A type of VHF radiobeacon which radiates in a tight cone pattern extending vertically from the transmitter; now generally only used to mark specific points along an ILS or IGS approach path, but formerly also commonly used to mark reporting points along en route airways.

    航空 商务 工程