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频率谐振
mil., air.def.
frequency resonance
频率 谐振
:
59 phrases
in 16 subjects
Air defense
4
Automobiles
1
Communications
1
Construction
2
Earth sciences
1
Electric machinery
2
Electronics
11
Explosives and Explosive Ordnance Disposal
1
General
1
Information technology
1
Metallurgy
4
Oil / petroleum
3
Piezoelectric crystals
7
Technology
16
Telecommunications
2
Wind Energy
2
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