[计] 调和级数

harmonic series的用法和样例：

例句

A tone in the harmonic series of overtones produced by a fundamental tone.泛音指由一种基本的声音所产生的一系列和谐的泛音中的声音

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SSS 2010-05-20

This is Scientific American's 60-Second Science. I'm Christopher Intagliata. Got a minute? Why do some chords sound sweet but others make you wince? Well it appears our earsor at least the ears of 250 Minnesota undergradsprefer chords containing harm

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