• 2022-06-01
    信号[img=71x29]1803172b9041dfc.png[/img]的奈奎斯特间隔为( )
    A: [img=18x39]1803172b990d4f9.png[/img]
    B: [img=27x39]1803172ba26e109.png[/img]
    C: [img=27x43]1803172bab1bbef.png[/img]
    D: [img=18x43]1803172bb426215.png[/img]