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单词 automatic direction finder
释义

Definition of automatic direction finder in English:

automatic direction finder

noun

  • A navigational aid used in aircraft and ships which continuously and automatically displays the bearing of the nearest radio beacon; abbreviated ADF.

Origin

1930s; earliest use found in Science News.

Definition of automatic direction finder in US English:

automatic direction finder

noun

  • A navigational aid used in aircraft and ships which continuously and automatically displays the bearing of the nearest radio beacon; abbreviated ADF.

Origin

1930s; earliest use found in Science News.
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更新时间：2024/12/27 19:02:50