Link to this pageThe shared element data schemas contain intermediate specializations of entities as shown highlighted in blue. Entities defined in this layer can be referenced and specialized by all entities above in the hierarchy. The shared element layer provides more specialized objects and relationships shared by multiple domains.
共享层包含实体的中间专门化，如蓝色突出显示的那样。此层中定义的实体可以被层次结构中上面的所有实体引用和专门化。共享元素层提供由多个域共享的更专用的对象和关系。
6.1 IfcSharedBldgElements (共享建筑元素)
6.2 IfcSharedBldgServiceElements (共享建筑服务要素)
6.3 IfcSharedComponentElements (共享组件元素)
6.4 IfcSharedFacilitiesElements (共享设施元素)
6.5 IfcSharedMgmtElements (共享管理元素)