The effectiveness of the method is proven by simulation of electronic CAD software.
经电子CAD软件模拟，证实该方法有效。
It is essential for electronic major students to master the course of Circuit Drawing CAD.
对电子类专业学生来讲，掌握电路制图CAD这一课程非常必要。
It is essential for electronic major students to master the course of Circuit Drawing CAD.
对电子类专业学生来讲，掌握电路制图CAD这一课程非常必要。
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