单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,*,*,课后实践导练,课前新知导学,课堂疑难导析,1/54,2/54,3/54,4/54,5/54,6/54,7/54,8/54,平衡位置,位移,负值,平滑,9/54,10/54,波峰,波谷,正弦或余弦,平衡位置,11/54,振幅,位移,加速度,振动,12/54,各个质点,某一时刻,一个质点,各个时刻,位移,相邻,相邻波峰,相邻波谷,相邻密部,相邻疏部,13/54,振动周期,相同,波源,倒数,一个波长,14/54,传输,波长,周期,波长,频率,介质,不一样,温度,15/54,16/54,17/54,18/54,19/54,20/54,21/54,22/54,23/54,24/54,25/54,26/54,27/54,28/54,29/54,30/54,31/54,32/54,33/54,34/54,35/54,36/54,37/54,38/54,39/54,40/54,41/54,42/54,43/54,44/54,45/54,46/54,47/54,48/54,49/54,50/54,51/54,52/54,53/54,54/54,
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