8 资源定义数据模式

1. IfcActorResource
2. IfcApprovalResource
3. IfcConstraintResource
4. IfcCostResource
5. IfcDateTimeResource
6. IfcExternalReferenceResource
7. IfcGeometricConstraintResource
8. IfcGeometricModelResource
9. IfcGeometryResource
10. IfcMaterialResource
11. IfcMeasureResource
12. IfcPresentationAppearanceResource
13. IfcPresentationDefinitionResource
14. IfcPresentationOrganizationResource
15. IfcProfileResource
16. IfcPropertyResource
17. IfcQuantityResource
18. IfcRepresentationResource
19. IfcStructuralLoadResource
20. IfcTopologyResource
21. IfcUtilityResource