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to phrases
speech frequency
stresses
commun.
разговорная частота
el.
тональная частота
tech.
частота речи
tel.
частота передачи речи по телефонной линии в полосе
300-3400
Гц
telecom.
звуковая частота
speech frequency
:
6 phrases
in 2 subjects
Information security and data protection
4
Security systems
2
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