English ⇄ Russian

dual-tone stresses
telecom.	двухтональный (oleg.vigodsky)
dual tone
mob.com.	двойной тон

dual tone: 36 phrases in 17 subjects

Automobiles	1
Aviation	1
Caspian	2
Communications	1
Computer networks	3
Electronics	5
Information technology	3
Mass media	3
Oil / petroleum	1
Sakhalin	1
Sakhalin A	1
Security systems	1
Technology	5
Telecommunications	3
Telephony	3
Transport	1
Weapons of mass destruction	1