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audio frequency ['ɔ:dɪəu'fri:kwənsɪ]
commun., tech. audiofrekvens; tonfrekvens
 English thesaurus
audio frequency ['ɔ:dɪəu'fri:kwənsɪ]
abbr., construct. a.f.
audio frequency: 50 phrases in 5 subjects
Communications9
Earth sciences5
Electronics22
Information technology12
Radio2