Anh
linear exponent of sound propagation
propagation coefficient
Đức
Schall-Ausbreitungskoeffizient
Pháp
exposant linéique de propagation acoustique
linear exponent of sound propagation,propagation coefficient /SCIENCE/
[DE] Schall-Ausbreitungskoeffizient
[EN] linear exponent of sound propagation; propagation coefficient
[FR] exposant linéique de propagation acoustique