. . . . . "A \"Normalized Dimensionless Ratio\" is a dimensionless ratio ranging from 0.0 to 1.0" . . . . . . "Positive Dimensionless Ratio"@en . . "https://standards.buildingsmart.org/IFC/DEV/IFC4_3/RC2/HTML/link/ifcnormalisedratiomeasure.htm"^^ . . . . .