求用英文介绍纵波和横波 【transverse wave and longitudinal wav
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求用英文介绍纵波和横波 【transverse wave and longitudinal wav
求用英文介绍纵波和横波
【transverse wave and longitudinal wave】
求用英文介绍纵波和横波
【transverse wave and longitudinal wave】
longitudinal wave has compression,rarefration,travel faster in solids,and travel slower in gases,travel back and fort horizontal 再答: transvers wave do not need medium to travel,it has crest,troughs,travel up and down vertical
再答: 望采纳ww
再答: 望采纳ww