如果用示波器测一个信号源的幅度,�现测到值刚好是信号源幅度的2倍,其可能的原因是什么? 知乎 Template




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tomski如果用示波器测一个信号源的幅度,�现测到值刚好是信号源幅度的2倍,其可能的原因是什么? 知乎 coloring