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Bilingual edition:
English is preserved and Chinese follows each unit. Terminology uses the confirmed v20260916 glossary; automated semantic review remains traceable.
中英双语版:
英文原文完整保留,中文紧随对应单元;术语采用 v20260916 确认表,自动语义审校结果可追溯。
Equal tempered frequency list
等音律频率表
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HyperPhysics
*****
Sound
HyperPhysics ***** 声音
R Nave
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