• 2022-06-05
    ‎某质点作简谐振动,其振动曲线如图所示。该质点的振动方程为( )‎‎[img=364x213]17de696541b0919.png[/img]‎
    未知类型:{'options': ['17de69654fc093b.pngcm', '17de69656289486.pngcm', '17de69657137a1b.pngcm', '17de696583886cc.pngcm'], 'type': 102}