Việt
sự suy giảm âm thanh
Anh
acoustic attenuation
attenuation
Đức
Schallschwächung
Pháp
affaiblissement
Schallschwächung /SCIENCE,TECH/
[DE] Schallschwächung
[EN] attenuation
[FR] affaiblissement
Schallschwächung /f/Đ_TỬ/
[EN] acoustic attenuation
[VI] sự suy giảm âm thanh