星海钢片琴考级辅导视频（1-3级）

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• intros：{"brand_intro":"星海（Xinghai）成立于1949年，是中国历史最悠久的乐器制造企业之一，以钢琴和管乐器闻名。品牌教学视频紧密结合中国音乐考级体系，由中央音乐学院等权威机构专家录制，在考级辅导领域具有标杆地位，深受琴童家长信赖。","product_intro":"该课程针对中国音乐家协会钢片琴考级1-3级设计，包含30节精讲视频，每节15-25分钟。内容逐条解析考级曲目，包括音阶、练习曲和乐曲，并配有模拟考试环节。视频支持章节跳转，附赠考级模拟题和评分标准手册。","key_specs":["课程节数：30节","单节时长：15-25分钟","适用年龄：6-15岁","语言：中文普通话","配套资源：考级模拟题+评分手册","设备要求：手机/平板/电脑"]}
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