Unverified60% confidenceFactTime unknown
常见音阶的频率范围集中在261Hz(中央C)至4186Hz(高音C)之间
2
Sources
60%
Confidence
Long-term
Relevance
5/31/2026
First Seen
Sources
自制电子八音盒:E101模块打造声光联动礼盒
bilibili亿佰特物联网应用
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