3.2 Abbreviated terms

CDDIEC Common Data Dictionary
CGSCentimetre–Gram–Second system of units
DAData Access
EUEngineering Unit
IRDIInternational Registration Data Identifiers defined in ISO/IEC 11179-6
ISQInternational System of Quantities (ISO/IEC 80000)
NaN“Not a Number” defined in IEEE 754
UAUnified Architecture
UCUMUnified Code for Units of Measure, see https://ucum.org
UNECEUnited Nations Economic Commission for Europe