• 2021-04-14
    回音有顺回音00a000a000a0 和逆回音00a000a000a0 两种,顺回音表示从基本音上方二度音开始弹奏,然后弹基本音,再弹下方二度音,最后回到基本音。()http://image.zhihuishu.com/zhs/onlineexam/ueditor/201908/256f74cb69434a74acc5d4aed571fe8c.png