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the problem stresses
math.	сущность проблемы (ssn)

the Problem : 988 phrases in 63 subjects

Air defense	2
American usage, not spelling	6
Architecture	1
Artificial intelligence	2
Automobiles	1
Aviation	1
Bookish / literary	2
Business	30
Business style	5
Cartography	1
Cinematography	1
Cliche / convention	1
Construction	1
Diplomacy	19
Drilling	1
Drug-related slang	1
Ecology	2
Economics	7
Electronics	1
Figurative	1
Figure of speech	1
Finances	1
Formal	5
Gas processing plants	1
General	277
Historical	1
Idiomatic	1
Information technology	4
Labor law	1
Logic	1
Makarov	197
Management	1
Mass media	4
Mathematics	181
Mechanics	15
Medical appliances	1
Microsoft	3
Military	11
Mining	6
Musical instruments	1
Natural resourses and wildlife conservation	1
Neural networks	1
Patents	5
Philosophy	2
Physics	4
Politics	15
Production	1
Programming	75
Psychology	2
Psychotherapy	2
Quotes and aphorisms	3
Radio	2
Radiolocation	1
Research and development	6
Rhetoric	10
SAP	1
Scientific	42
Security systems	1
Technology	5
Telecommunications	1
Trade unions	1
Transport	2
United Nations	6