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></span>。我們能分辨笛子和二胡的聲音，是因?yàn)閮煞N樂器所發(fā)出聲音的<span id="9ato6zu" class="filling" ></span>不同。（聲音的特性用“響度”、“音調(diào)”或“音色”表述）<p><img width="462" height="165" src="http://tikupic.21cnjy.com/2023/12/28/d5/57/d557f04a8aeaab0870d74d89f403b70c.png" style="max-width:100%;"></p> </h1> </div> </div> </li> </ul> <div style="height:20px;background-color: #fff;margin-top:1px"></div>  <div class="eleavvm" id="J_ConnectQuestionsdBox"> </div> </div> </div> <div id="9gdfnfw" class="g-sd2">  <div style="background:#fff;padding:20px 0;margin-bottom:20px;text-align:center;"> <img src="/question/paper-qrcode?id=55493549" width="140px" height="140px" alt=""> <p style="text-align:center;margin-top: 10px">微信掃碼預(yù)覽、分享更方便</p> </div> <div id="1cd1wsi" class="analyize-extend JV_question__papers"> <h3 class="extend-mt">使用過本題的試卷</h3> <ul class="extend-mc"> <li> <a href="/paper/view-5254335.shtml" target="_blank" title="物理特色專題：聲音三要素的區(qū)分及應(yīng)用" class="ex-tit"> <b></b><span>物理特色專題：聲音三要素的區(qū)分及應(yīng)用</span> 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