1.如图所示图线表示一列简谐波在沿x轴传播时的波形图若以图示时刻为计时起点那么下面的y t图线应表示的是 A当这列波沿x轴正方�传播时 Template




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tomski1.如图所示图线表示一列简谐波在沿x轴传播时的波形图若以图示时刻为计时起点那么下面的y t图线应表示的是 a当这列波沿x轴正方�传播时 coloring