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20252453-T-424 项目

4.2.12 值(Values)

属性可包含用户定义的数据,其数据类型是开放的。

下图展示了应用此概念时使用的通用类和关系。

<a href='/IFC/RELEASE/IFC4x3/HTML/lexical/IfcSimpleProperty.htm'>IfcSimpleProperty</a> IfcSimpleProperty      HasExternalReferences [0:?] PropertyName 1. Name [1:1] 2. Specification [0:1]      PartOfPset [0:?]      PropertyForDependance [0:?]      PropertyDependsOn [0:?]      PartOfComplex [0:?]      HasConstraints [0:?]      HasApprovals [0:?] <a href='/IFC/RELEASE/IFC4x3/HTML/lexical/IfcIdentifier.htm'>IfcIdentifier</a> IfcIdentifier <a href='/IFC/RELEASE/IFC4x3/HTML/lexical/IfcSimpleProperty.htm'>IfcSimpleProperty</a>:Name1-><a href='/IFC/RELEASE/IFC4x3/HTML/lexical/IfcIdentifier.htm'>IfcIdentifier</a>:IfcIdentifier0 <a href='/IFC/RELEASE/IFC4x3/HTML/lexical/IfcText.htm'>IfcText</a> IfcText <a href='/IFC/RELEASE/IFC4x3/HTML/lexical/IfcSimpleProperty.htm'>IfcSimpleProperty</a>:Description1-><a href='/IFC/RELEASE/IFC4x3/HTML/lexical/IfcText.htm'>IfcText</a>:IfcText0
Figure 4.2.12.A