• 2022-06-14
    ​[img=168x61]1802fba564605e9.png[/img]的傅氏变换是[img=52x25]1802fba56cc9534.png[/img]————‍
    A: [img=86x51]1802fba574ec746.png[/img]
    B: [img=86x51]1802fba58340411.png[/img]
    C: [img=77x51]1802fba5905acb2.png[/img]
    D: [img=93x51]1802fba59b34f9c.png[/img]
  • 举一反三