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day-night stresses
oil	круглосуточный
Day/Night
sec.sys.	"день / ночь" (цветная видеокамера, при низкой освещённости автоматически переключается на чёрно-белое отображение)

day -night: 227 phrases in 44 subjects

Advertising	1
Agriculture	1
Apollo-Soyuz	2
Archaic	1
Astronautics	1
Astronomy	5
Automobiles	3
Aviation	11
Aviation medicine	5
Biology	2
Business	1
Cinematography	2
Ecology	3
Electrical engineering	1
Electronics	1
Figure of speech	1
Fish farming pisciculture	1
General	70
Humorous / Jocular	1
Idiomatic	1
Informal	5
Insurance	2
Literature	2
Makarov	23
Mathematics	2
Medical	1
Metallurgy	1
Meteorology	2
Military	34
Nautical	4
Navy	2
Oil and gas	2
Production	1
Proverb	9
Quality control and standards	1
Quotes and aphorisms	1
Rail transport	1
Religion	1
Rhetoric	1
Security systems	2
Shipbuilding	1
Technology	9
Telecommunications	1
Uncommon / rare	5