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optical instrumentstresses
opt. оптическое устройство (alexeyaxim)
tech. оптический измерительный прибор; оптический инструмент; оптический прибор
optical instrument: 37 phrases in 18 subjects
Astronautics4
Cartography1
Construction1
Electronics2
General2
Geophysics1
Gyroscopes1
Household appliances1
Informal1
Makarov6
Meteorology1
Metrology1
Military2
Nanotechnology1
Nautical1
Optics branch of physics2
Technology8
Trade classification1