如图所示为某时刻两个�率相同的横波相遇的情况.图中实线表示波峰虚线表示波谷则 A.cd点的振动始终减弱b.a点始终处于波峰处c.再过 Template




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tomski如图所示为某时刻两个�率相同的横波相遇的情况.图中实线表示波峰虚线表示波谷则 a.cd点的振动始终减弱b.a点始终处于波峰处c.再过 coloring