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单词 huff-duff
释义

huff-duffn.

/ˈhʌfdʌf/
Etymology: Representing the pronunciation as a word of the initials h. f. d. f., for high-frequency direction-finder.
A device for determining the direction of incoming high-frequency radio signals, enabling their source to be located when bearings are obtained by two or more such devices.
ΘΚΠ
society > communication > telecommunication > radio communications > radio equipment > [noun] > device for locating source of radio signals
huff-duff1946
1946 N.Y. Herald-Tribune 16 Jan. 22/1Huff duff’, with a range that makes it possible to detect and plot radio signals of as little as fifteen seconds' duration emitted halfway around the globe from plotting stations.
1955 ‘C. S. Forester’ Good Shepherd ii. 39 Huff-Duff reports foreign transmission.
1962 L. Farago Tenth Fleet viii. 162 They used decoy subs to befuddle the Huffduff.
This entry has not yet been fully updated (first published 1976; most recently modified version published online March 2018).
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n.1946
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更新时间:2025/3/21 16:47:55