如图在8个相同的水瓶中灌入质量不同的水水面的高度不等.1.若用相同的力量敲击它们就可以�出不同的音调此时�出的声音的声源是 选填 Template




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tomski如图在8个相同的水瓶中灌入质量不同的水水面的高度不等.1.若用相同的力量敲击它们就可以�出不同的音调此时�出的声音的声源是 选填 coloring