复杂的电路通常借助于仿真软件或电路实验进行方案设计，用电子CAD软件绘制印刷电路板。
A complicated circuit is usually designed with a simulation software or on the basis of experiments, and its printed circuit board is drawn with a CAD software.
复杂的电路通常借助于仿真软件或电路实验进行方案设计，用电子CAD软件绘制印刷电路板。
A complicated circuit is usually designed with a simulation software or on the basis of experiments, and its printed circuit board is drawn with a CAD software.
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