乐海 阮教材 基础教程与练习

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• intros：{"brand_intro":"乐海乐器是中国北方最大的民族乐器制造企业之一，成立于1985年，总部位于河北肃宁。品牌以\"传承国乐精髓\"为使命，产品覆盖阮、琵琶、古筝等数十个品类，拥有多项国家专利。其教材系列由中央音乐学院教授团队编写，注重科学性与系统性，被全国多所音乐院校列为指定参考书。","product_intro":"本书为阮入门与进阶综合教材，由中央音乐学院阮专业教授宁勇主编。内容涵盖阮的历史沿革、演奏姿势、左右手基本技法、音阶练习、经典乐曲解析及乐队合奏指导。全书共12章，附赠高清示范视频二维码，适合零基础至五级水平学习者。采用大16开本，环保纸张印刷，乐谱清晰，指法标注详尽。","key_specs":["适用对象：阮初学者至中级学习者","章节数量：12章","附赠资源：高清示范视频（扫码观看）","开本：大16开","纸张：环保胶版纸","出版时间：2022年3月"]}
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