如图甲和乙是在同一条均质长绳上传播的两列简谐横波在某一时刻的波形 A.这两列波在坐标原点开始相遇. b.经过一段时间可在绳上看见 Template




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tomski如图甲和乙是在同一条均质长绳上传播的两列简谐横波在某一时刻的波形 a.这两列波在坐标原点开始相遇. b.经过一段时间可在绳上看见 coloring