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9、ARGIN: 0cm 0cm 0pt; FONT-FAMILY: Times New Roman; TEXT-ALIGN: justifyDIV.MyFav_1271383484850 DIV.MsoAcetateTEXT-JUSTIFY: inter-ideograph; FONT-SIZE: 9pt; MARGIN: 0cm 0cm 0pt; FONT-FAMILY: Times New Roman; TEXT-ALIGN: justifyDIV.MyFav_1271383484850 DIV.Section1page: Section1DIV.MyFav_1271383484850 OLMARGIN-BOTTOM: 0cmDIV.MyFav_1271383484850 ULMARGIN-BOTTOM: 0cm“对接中考”1B2D3B4D5D6C7C8D9B10C11B12分贝（dB）13在传播过程中减弱14超声波 声呐（或超声波雷达测速仪、B超等）、雷达、超声波探伤（其它合理均可）15发声的物体在振动16振动 空气 电磁17固体能够传播声音，且传音效果比空气好（只说出固体能够传播声音也可）18振动 空气19声波在固体中传播的能量损失笔在空气中少吗？声音的传播距离与介质有关吗？声音的固体中的传播距离比在空气中传播的远吗？20音调 空气