第四代设计（4GD）管理系统的优势

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4GD has several advantages over previous generations of data management systems:
; [$ U9 Q3 W2 C• Flexible organization of design data
. c$ ^" z: |$ xThe collaborative design content can change dynamically as the design evolves.
7 {* T* H; V- d1 Y3 tDesigners are not limited to viewing the product in predefined subassemblies.
• Independent lifecycles
Each design element has its own lifecycle. You are not limited by the lifecycle
of traditional assemblies. Each design element has its revision and status.
Likewise, the CAD design owns its position and geometry.
• Multiple hierarchical views
In a traditional product structure, each component is placed in an assembly. To
6 z* N+ [' Q$ Z  i+ o1 b: ?8 Xview a component, you must load its parent assembly. Using 4GD, a design
element can appear in multiple partitions and subsets of the product. When
% A/ T1 W" B. ^. A* Va designer views partitions that may contain the same design element, 4GD
displays only the unique design elements.
• Very large data sets
Because there is no concept of a structure, very large data sets can be managed
efficiently . Teamcenter loads collaborative designs much more quickly than
. w0 X: D8 w3 V+ A9 R  Jtraditional assemblies.
• Minimal data locking
. R3 J( Q: J1 j& c  g& A1 eDesigners check out only the design elements they need. To reposition a design
element, there is no parent assembly to check out and lock.
• Efficient working sets
$ z( a, S' P3 A7 _6 rDesigners can work with adjacent design elements, without having to check out
+ w; k5 \( ~3 {the next highest parent assembly that contains all the design elements.
• Concurrent work capabilities
Because designers access the design elements in their workset using a dynamic
& v0 l9 F: v; e9 W1 ?. S" xrecipe instead of a rigid subassembly, the context of the workset can be updated
to include new design elements created by other designers. For example, if the
recipe searches for all design elements within a spatial volume, reapplying the
recipe opens any new design elements within that volume.