什么是4GD， What is 4GD? NX9.0有何新的优势？

mildcat

What is 4GD?
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5 q/ h" A( E( W4 `: [- k+ j1 t1 A0 _NX 8.5 introduced the fourth generation of design (4GD) and NX 9 enhances the existing 4GD functionality.
4GD represents a major change in how NX product assemblies are stored and managed in Teamcenter, and how they
are checked out and used in NX.
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In 4GD, design elements replace traditional assembly components. Unlike assembly components, each design
* a: e: p4 ^; w; E+ H: felement is an independently managed occurrence with its own position, access privileges, attributes, revision
; b3 @% Z5 y. z6 G. ^, t2 bhistory, unit effectivity, and locking status.
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This means that when you check out any design element, it is displayed in its correct product location, without the
need to check out a parent assembly.