针对混合模式的布局问题提出一种分级的自动布局算法。

A hierarchical automatic placement algorithm for mixed mode placement problem is presented.

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提出了一个基本团体操布局的优化算法，该算法能够给出多目标状态转移的全过程，并能自动修正布局状态相对于场地中心的位置。

A group gymnastics optimizing algorithm able to provide a whole process of multi-object status transformation and to correct position related to the center of the site was presented.

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VHDL硅编译器是XUECAD集成电路自动设计系统的一个辅助工具。本文将着重介绍改进后的VHDL硅编译器的布局、布线算法。

VHDL silicon compiler is a supplementary tool of the IC CAD system-XUECAD. The algorithms of modified VHDL silicon compilers placing and routing are introduced in this paper.

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