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光学的
gen.	photic
auto.	photometric
econ.	visual
life.sc.	optic
sport., med.	optical
telecom.	opt

光学的: 143 phrases in 21 subjects

Agriculture	9
Air defense	2
Animal husbandry	1
Architecture	1
Automobiles	2
Aviation	12
Earth sciences	4
Ecology	1
Electronics	14
Engineering geology	1
General	31
Geophysics	2
Metallurgy	1
Oil processing plants	1
Plastic surgery	1
Polymers	2
Project management	2
Remote sensing	1
Space	11
Technology	38
Telecommunications	6