画</h4>
        <div id="scene" class="scene">
            <div><p><b class="scene_desc">输入</b><br/><img src="scene_0.svg" alt="冒泡排序 | 输入"
                                                            title="冒泡排序 | 输入"/></p></div>
            <div><p><b class="scene_desc">排序</b><br/><img src="scene_1.svg" alt="冒泡排序 | 整列"
                                                            title="冒泡排序 | 整列"/></p></div>
            <div><p><b class="scene_desc">�