[IfcIrregularTimeSeriesValue.TimeStamp property 时间戳 public IfcDateTime TimeStamp { get; set; } 也可以看看 class IfcDateTime class IfcIrregularTimeSeriesValue 命名空间 Aspose.CAD.FileFormats.Ifc.IFC4.Entities 部件 Aspose.CAD]
