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USSR abbr.
econ.	USSR
English thesaurus
USSR abbr.
abbr.	Under Sorrowful Supervision Relationship; Unsavory Soviet Stupid Rats; Union of Socialist Soviet Republics; Union Of Soviet Socialist Republics; Union of Soviet Sovereign Republics; Union of Stupid Shit Russkies
abbr., avia.	underground security systems research
abbr., ed.	United States Smoking Repression
abbr., ed., scient.	Uninterrupted Sustained Silent Reading
abbr., file.ext.	.su (former)
abbr., mil., avia.	Union of Soviet Socialist Republic
abbr., polit.	Union of Soviet Socialist Republics
abbr., shipb.	United States Shipping Board
abbr., sport.	Ultra Simple Skirmish Rules

USSR : 6 phrases in 3 subjects

Electronics	1
General	4
Research and development	1