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:
7 M3 c* j8 n" e1 ~. ]3 E1 h' y; b• Flexible organization of design data
The collaborative design content can change dynamically as the design evolves.
. U. n; P3 c& k2 u# [+ y" NDesigners are not limited to viewing the product in predefined subassemblies.
• Independent lifecycles
, h$ K/ ^9 g+ @* I2 r4 |  ]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.
5 I) h* U% y* w3 v' }# L; fLikewise, the CAD design owns its position and geometry.
• Multiple hierarchical views
# D0 L$ m4 Z0 _3 l5 \In a traditional product structure, each component is placed in an assembly. To
( Q8 N  J: e' k+ v4 _5 r3 G2 eview a component, you must load its parent assembly. Using 4GD, a design
4 Q' y, \: X7 jelement can appear in multiple partitions and subsets of the product. When
a 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
traditional assemblies.
• Minimal data locking
Designers 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
* o- G! }5 M4 C. \: p" {Designers can work with adjacent design elements, without having to check out
8 K6 G3 G) G% m0 g1 S' Ythe next highest parent assembly that contains all the design elements.
* v7 I& N( [: P# Q* g7 D" a: g  t• Concurrent work capabilities
Because designers access the design elements in their workset using a dynamic
0 U" {+ L2 B/ h/ Y6 ~! f$ Urecipe 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
  S9 n. H: I8 y6 {4 Irecipe searches for all design elements within a spatial volume, reapplying the
recipe opens any new design elements within that volume.