什么是4GD， What is 4GD? NX9.0有何新的优势？

mildcat

What is 4GD?
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- S2 g# [  t* M* B# o# @! ]& H3 ANX 8.5 introduced the fourth generation of design (4GD) and NX 9 enhances the existing 4GD functionality.
: p+ d, O. ^/ j4GD represents a major change in how NX product assemblies are stored and managed in Teamcenter, and how they
3 U5 o+ Z4 @0 V( Xare checked out and used in NX.
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In 4GD, design elements replace traditional assembly components. Unlike assembly components, each design
7 R! R$ R4 V, y7 Celement is an independently managed occurrence with its own position, access privileges, attributes, revision
history, unit effectivity, and locking status.
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% C7 r* b' p- J0 ^9 p/ }This means that when you check out any design element, it is displayed in its correct product location, without the
5 Q0 o" _- U: P4 |- {& N! mneed to check out a parent assembly.