在印制电路板的设计中，元器件的安装工艺对印制电路板的性能有较大的影响。

In the design of the printed circuit board, the installation process of the components and parts has greater influence on performance of the printed circuit board.

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门自动分配是从逻辑图开始的成套印制电路板全自动设计的重要环节。

Gate assignment is an important process in the course of CAD for printed circuit boards (PCB).

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针对开关电源印制电路板的电磁兼容性设计，从PCB的布局与布线、接地等方面提出设计原则及注意事项。

The design rules and observing proceedings are presented from the layouts, wires placing and grounding of the printed circuit board (PCB) aiming at the EMC design of switch power supplies.

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