通过电路原理图设计和高速 PCB 设计，完成了堆叠设计和高速信号线设计。

With the circuit schematic design and the high-speed PCB design, completes stackup design and high-speed signal line design.

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在电路原理图设计中遵循高速信号电路PCB设计原则，完成了系统PCB的布局、叠层设计、内电层设计、系统接地设计和高速信号线等设计；

With the circuit schematic design and the high speed PCB design, completes PCB composition, stackup design, internal layer design, system grounding design and high-speed signal line design.

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