English ⇄ Arabic Chinese Danish Dutch Finnish French German Greek Italian Japanese Portuguese Russian Serbian Latin Spanish Swedish Ukrainian

optical system
earth.sc., life.sc.	sistema óptico

optical system: 46 phrases in 16 subjects

Aviation	1
Communications	8
Cultural studies	2
Earth sciences	4
Electronics	4
General	2
Health care	1
Industry	2
Information technology	13
Natural sciences	1
Radio	1
Technology	2
Thermal Energy	1
Transport	2
United Nations	1
Video recording	1