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barreiras
 barreira
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| acústicas
 acústica
environ. 声学

to phrases
barreira n
auto.ctrl. 隔离栅
nucl.phys. 屏障,
barreiras: 28 phrases in 11 subjects
Brazil1
Cables and cable production1
Electric machinery2
Electronics4
Environment5
International Monetary Fund5
Mathematics1
Nuclear physics2
Semiconductors2
Statistics3
Superconductivity2