Description: The ratio of the output variable to the rate of change of the input variable; Name: differential factor
Description: for a derivative element, the quotient of the value of the output variable to the value of the time derivative of the input variable; Name: derivative action coefficient
Description: Nomenclature of goods in accordance with a regulation relating to customs tariff and statistical purposes for application to a specific country and / or region. The structure of the customs tariff number is defined by the type otherwise indicated; Name: Customs tariff number