说明：  线路板（PCB）级的电磁兼容设计是现代设计高速电路必须考虑的问题，现提供给大家的这个设计方案可以帮大家（电子工程师）很好的解决这个问题。
( The line board (PCB) the level electromagnetic compatibility design is a question which the modern design high-speed circuit must consider, presently provides for everybody this design proposal may help everybody (electronic engineer) very good solution this question. )