| 摘要 |
A composite physical object is formed of a plurality of component physical objects, which component physical objects can be used in a multiplicity of composite physical objects and a data management system and method is provided to manage the relationships. A user interface is provided to enable selection of component or composite objects for the addition or removal of component physical objects from the list. Because the relationship between component objects and composite objects is maintained, if a user selects to remove a component physical object from the list, its related component physical objects to be used in a composite object can be identified and also automatically removed. Similarly, operating the other way around, a user can select a composite object to be removed and this will result in the removal of all component physical objects in the list which are used in the composite object.
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