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to phrases
optical constant
oil
光学常数
;
光学恒量
tech.
光学常量
optic constant
tech.
光学恒量
;
光学常数
;
光学常量
optical constant
:
14 phrases
in 4 subjects
Electronics
1
Explosives and Explosive Ordnance Disposal
1
Technology
11
Telecommunications
1
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