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акустический соединитель stresses
automat.	sound coupler (translator911)
comp.	acoustic coupler (of a modem)
data.prot.	phone adapter
IT	acoustic coupler
media.	acoustic modem
sec.sys.	phone adapter (телефонов)
telecom.	acoustic connector

акустический соединитель: 5 phrases in 2 subjects

Information security and data protection	3
Security systems	2