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光学系统 guāngxué xìtǒng
el. optics; optics system
rem.sens. optical system
tech. optic block; optical block; optic system
光学〔机〕系统
earth.sc. optical system
光学系统: 407 phrases in 24 subjects
Agriculture1
Air defense4
Automobiles2
Aviation38
Business1
Communications1
Computers1
Construction1
Desert science1
Earth sciences8
Electronics73
General5
Geophysics8
Information technology2
Metallurgy3
Missiles2
Oil / petroleum1
Rail transport2
Space80
Sports1
Technology166
Telecommunications4
Thermal Energy1
United States1