8.5.2.11 IfcTimeOrRatioSelect
8.5.2.11.1 Semantic definition
IfcTimeOrRatioSelect allows a value to be selected as being either a ratio or a time measure.
8.5.2.11.2 Type values
8.5.2.11.3 Formal representation
TYPE IfcTimeOrRatioSelect = SELECT (IfcDuration ,IfcRatioMeasure); END_TYPE;