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to phrases
高
次
谐波
tech.
upper harmonic
高 谐波
:
53 phrases
in 16 subjects
Air defense
5
Aviation
2
Construction
3
Electric machinery
5
Electronics
8
General
3
Hydroelectric power stations
2
Information technology
1
Metallurgy
6
Nautical
1
Oil / petroleum
1
Rail transport
1
Shipbuilding
1
Space
3
Technology
10
Telecommunications
1
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