The most dramatic changes are in the physical design.

最引人注目的变化出现在结构设计方面。

Placement is one of the most critical stages in VLSI physical design.

布局是VL SI物理设计的关键步骤之一。

The physical design is simple and lends itself to 'backyard' fabrication.

物理设计很简单，而且易导致'后院'捏造。

Use object-based system architecture and UML to capture both logical and physical design.

采用面向对象的系统架构和UML以获取逻辑和物理设计。

Both schematic design and physical design of them are completed by full custom method.

在整个设计流程中，无论是电路还是版图均采用全定制方法设计。