[IfcLightSource.AmbientIntensity property 环境强度 public IfcNormalisedRatioMeasure AmbientIntensity { get; set; } 也可以看看 class IfcNormalisedRatioMeasure class IfcLightSource 命名空间 Aspose.CAD.FileFormats.Ifc.IFC4.Entities 部件 Aspose.CAD]
