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эхо-компенсатор stresses
comp.	echo equalizer; time equalizer
tech.	echo suppressor; echo trap
telecom.	echo canceler (oleg.vigodsky); echo canceller (oleg.vigodsky); echo-canceller (oleg.vigodsky); echo compensator (oleg.vigodsky); echo control device (oleg.vigodsky)

эхо-компенсатор: 7 phrases in 3 subjects

Mass media	1
Technology	1
Telecommunications	5