inner marker

名词 n.
中文释义

英文释义

名词 n.
  1. A type of marker beacon placed to indicate when an aircraft crosses the runway threshold of a Category II or Category III ILS or IGS approach, triggering a continuous visual and aural sequence of rapid-fire Morse code dots from the marker beacon receiver in the cockpit of an aircraft flying over the marker.

词形变化

inner markers plural
0 次浏览 数据来源: Wiktionary