8.11.2.39 IfcLengthMeasure（长度度量）
8.11.2.39.1 语义定义（Semantic definition）
IfcLengthMeasure 表示距离的数值。
类型：REAL
8.11.2.39.2 形式化表示（Formal representation）
TYPE IfcLengthMeasure = REAL;
END_TYPE;8.11.2.39.3 参考（References）
- IfcAlignmentCantSegment
- IfcAlignmentHorizontalSegment
- IfcAlignmentVerticalSegment
- IfcBendingParameterSelect
- IfcBuilding
- IfcBuildingStorey
- IfcCartesianPoint
- IfcCartesianPointList2D
- IfcCartesianPointList3D
- IfcClothoid
- IfcConnectionPointEccentricity
- IfcCosineSpiral
- IfcCurveMeasureSelect
- IfcCurveStyleFontPattern
- IfcDoorLiningProperties
- IfcMapConversion
- IfcMaterialLayerSet
- IfcMaterialLayerSetUsage
- IfcMaterialLayerWithOffsets
- IfcMaterialProfileWithOffsets
- IfcMeasureValue
- IfcMlsTotalThickness
- IfcNonNegativeLengthMeasure
- IfcOffsetCurve2D
- IfcOffsetCurve3D
- IfcPlanarExtent
- IfcPointByDistanceExpression
- IfcPositiveLengthMeasure
- IfcQuantityLength
- IfcReinforcementBarProperties
- IfcRelConnectsStructuralMember
- IfcRigidOperation
- IfcSecondOrderPolynomialSpiral
- IfcSectionReinforcementProperties
- IfcSeventhOrderPolynomialSpiral
- IfcSineSpiral
- IfcSite
- IfcSizeSelect
- IfcSlippageConnectionCondition
- IfcSpace
- IfcStructuralLoadConfiguration
- IfcStructuralLoadSingleDisplacement
- IfcSurfaceOfLinearExtrusion
- IfcSurfaceReinforcementArea
- IfcThirdOrderPolynomialSpiral
- IfcTrapeziumProfileDef
- IfcVector
- IfcVirtualGridIntersection
- IfcWindowLiningProperties