Description: Sound Energy Level is the logarithmic ratio of the sound energy to the reference sound energy.; Name: acoustic energy level
Description: Determined ten times the logarithm to the base 10 of the ratio of the sound energy, j, to a reference value, j0, expressed in decibels; Name: Sound energy level
Description: Region, zone or union for which the declared tariff number is applicable in terms of content and structure; Name: Region of customs tariff number