如图所示,在四个完全相同的瓶子内装有质量不等的水,用大小相同的力敲击四个瓶子,会�出不同的声音.这“不同的声音”主要是指声音的( ) 刷卷子 Template




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tomski如图所示,在四个完全相同的瓶子内装有质量不等的水,用大小相同的力敲击四个瓶子,会�出不同的声音.这“不同的声音”主要是指声音的( ) 刷卷子 coloring