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the problem stresses
math.	существо проблемы состоит в следующем; сущность проблемы (ssn)

the problem: 980 phrases in 61 subjects

American usage, not spelling	6
Architecture	1
Artificial intelligence	2
Automobiles	1
Aviation	1
Bookish / literary	2
Business	30
Business style	1
Cartography	1
Cliche / convention	1
Construction	1
Diplomacy	19
Drilling	1
Drug-related slang	1
Ecology	1
Economy	7
Electronics	1
Figurative	1
Figure of speech	1
Finances	1
Formal	5
Gas processing plants	1
General	265
Historical	1
Idiomatic	1
Information technology	4
Labor law	1
Logic	1
Makarov	198
Management	1
Mass media	4
Mathematics	206
Mechanics	15
Medical appliances	1
Microsoft	3
Military	11
Mining	5
Musical instruments	1
Natural resourses and wildlife conservation	1
Neural networks	1
Patents	5
Philosophy	2
Physics	4
Politics	8
Production	1
Programming	75
Psychology	2
Psychotherapy	2
Quotes and aphorisms	3
Radio	2
Radiolocation	1
Research and development	1
Rhetoric	10
SAP	1
Scientific	42
Security systems	1
Technology	4
Telecommunications	1
Trade unions	1
Transport	2
United Nations	6