• 2022-06-05
    如图所示一平面简谐波沿x轴正向传播,已知P点的振动方程为[img=121x23]1802d269583d366.png[/img],则波动方程为()[img=179x98]1802d26963826b1.png[/img]
    A: [img=195x25]1802d2696bdd9dc.png[/img]
    B: [img=188x25]1802d26979a9716.png[/img]
    C: [img=133x23]1802d26982b32bc.png[/img]
    D: [img=197x25]1802d2698b6fe8d.png[/img]
  • 举一反三