A general feature in circuit representation is its en ormous complexity, so a knowledge(rule)-based technique of optimization is intr oduced in optimizing the post-technology mapping circuit.

• 根据工艺映射处理的电路信息庞大复杂的特点，引入基于知识(规则)的优化技术对工艺映射所得电路进行工艺优化。