• The filter is composed of an active filter (AF) and a passive filter (PF).

    滤波器有源滤波器(AF)源滤波器(PF)串联组成。

    youdao

  • The filter is composed of an active filter (AF) and a passive filter (PF).

    滤波器有源滤波器(AF)源滤波器(PF)串联组成。

    youdao

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