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a las frases
dual tone multiple frequencyacentos
electr. двухтональный многочастотный набор (klabukov)
red d. сигнализация на двух группах частот
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dual-tone multiple-frequency
micr. Dual Tone Multiple-Frequency (The signaling system used in telephones with touchtone keypads, in which each digit is associated with two specific frequencies)
Dual-Tone Multiple-Frequency
abrev., escoc. DTMF
dual tone multiple frequency: 1 a las frases, 1 temas
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