• 2022-06-01
    信号[img=71x29]1803456592bef87.png[/img]的奈奎斯特间隔为( )
    A: [img=18x39]180345659b600ad.png[/img]
    B: [img=27x39]18034565a516d3d.png[/img]
    C: [img=27x43]18034565ae7f8cc.png[/img]
    D: [img=18x43]18034565b6d9e9e.png[/img]