求翻译：手工布图是最老式的设计方法，但他可以设计出性能最好的VLSI与ASIC，并且自动版图生成器所设计的版图经常要用手工设计的方法加以完善和调整。无论是数字集成电路，还是模拟集成电路，或是数模混合电路，都可以用全定制的方法设计。是什么意思？

The manual layout is the most old-fashioned design, but he can design the best performance vlsi and asic design of the layout and automatic layout generation often use manual design methods to improve and adjust. Digital integrated circuits, analog integrated circuits, or mixed analog-digital circui