https://icelemon.top/tags/%E5%A3%B0%E5%AD%A6/Recent content in 声学 on BlogHugozh-CNWed, 21 Oct 2026 13:05:16 +0800https://icelemon.top/knowledge/pentatonic-scale-and-string-ratios/Wed, 21 Oct 2026 13:05:16 +0800https://icelemon.top/knowledge/pentatonic-scale-and-string-ratios/从一根弦的长短，到钢琴上的黑键，分清五声音阶的比例、听感与历史。