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声波的
archit. acoustomotive
space sonic
tech. acoustic; acoustical
声波的: 60 phrases in 19 subjects
Air defense2
Audio electronics1
Aviation2
Chemistry1
Construction2
Earth sciences1
Electronics1
Explosives and Explosive Ordnance Disposal6
General5
Geophysics14
Hydroelectric power stations1
Metallurgy1
Mining1
Nautical1
Oil / petroleum1
Piezoelectric crystals1
Technology16
Telecommunications2
United Nations1