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等效声级
avia. equivalent sound level
space Leq energy-average sound pressure level
等效声
railw. equivalent sound pressure level
tech. equivalent sound level
等效声级 Leg亦称等效连续 A声级
tech. equivalent sound level Leg
等效声级: 20 phrases in 8 subjects
Aviation1
Business1
Electronics2
General1
Otorhinolaryngology4
Space2
Technology8
Wind Energy1