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a first stresses
gen.	небывалый случай (something that has never happened before and is therefore important or exciting Beforeyouaccuseme); впервые за всё время (Beforeyouaccuseme)
English thesaurus
A-FIRST
abbr., el.	advanced far infrared search and track
mil.	advanced far infrared search/track

a first: 473 phrases in 60 subjects

Accounting	1
American usage, not spelling	4
Architecture	1
Banking	3
British English spelling	1
Business	1
Cardiology	1
Chemistry	1
Chess	17
Chromatography	1
Cinematography	1
Computers	1
Construction	9
Data processing	2
Dialectal	1
Diplomacy	2
Disapproving	1
Education	1
Electronics	1
Energy industry	2
Explanatory translation	1
Figurative	1
Figure of speech	3
Finances	2
Foreign affairs	1
Forestry	2
General	157
Historical	1
Ice hockey	1
Idiomatic	8
Informal	7
Labor law	1
Law	4
Librarianship	1
Literature	3
Makarov	140
Mass media	1
Mathematics	14
Mechanics	1
Military	8
Nanotechnology	2
Oil and gas	2
Politics	5
Polygraphy	3
Programming	19
Proverb	8
Pulp and paper industry	1
Quotes and aphorisms	1
Religion	1
Research and development	1
Sakhalin	1
Saying	3
Scientific	5
Securities	1
Sports	1
Technology	4
Tennis	1
Trade unions	1
Transport	2
Weapons of mass destruction	2