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倍频程 bèipínchéng
refrig. octave band
space octave; one-half octave 1/2; one-third octave 1/3
telecom. third-octave 1/3
1/100 倍频程
tech. centi-octave
1/100倍频程
archit. centi-octave
倍频程八度 bèipínchéng
met. octave
1/3 倍频程
tech. third-octave
倍频程
: 34 phrases in 11 subjects
Air defense1
Automobiles2
Earth sciences1
Electric machinery1
Electronics7
General2
Nautical2
Otorhinolaryngology2
Space4
Technology11
Telecommunications1