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to phrases
high-frequency direction finding
geophys.
高频测向
high frequency direction finding
radio
高频测向
English thesaurus
High Frequency Direction Finding
abbr., astronaut., mil.
HFDF
("Huff-Duff")
abbr., scottish
HFDF
High frequency Direction Finding
abbr., scottish
HDF
high-frequency direction finding
:
30 phrases
in 9 subjects
Air defense
6
Aviation
8
Earth sciences
1
Electronics
3
General
5
Oil / petroleum
1
Radio
2
Space
2
Technology
2
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