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система операций stresses
automat.	operational code
el.	command code
robot.	operation system
tech.	op code; operation code

система операций: 249 phrases in 46 subjects

Agriculture	1
American usage, not spelling	1
Astronautics	8
Automated equipment	3
Aviation	2
Banking	20
Business	1
Caspian	1
Chemistry	1
Computer networks	3
Computers	1
Construction	1
Economy	9
Electronics	7
Energy industry	9
European Bank for Reconstruction and Development	1
Finances	5
General	4
Information security and data protection	2
Information technology	5
International Monetary Fund	4
Investment	1
Makarov	2
Mass media	43
Mathematics	1
Medical	1
Military	52
Name of organization	1
NATO	1
Oil / petroleum	5
Oil and gas	1
Programming	15
Quality control and standards	2
Rail transport	2
Sakhalin	4
SAP tech.	2
Securities	1
Security systems	5
Slang	1
Software	2
Statistics	1
Technology	11
Telecommunications	3
Transport	1
Warehouse	1
Weapons of mass destruction	1