下列关于声现象的说法正确的是 A.“低声细语 中的“低 指声音的音调低b.只要物体在振动�们就能听到声音c.大象交流时利用次声波来 Template




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tomski下列关于声现象的说法正确的是 a.“低声细语 中的“低 coloring