Let me demonstrate to you the harmonic series.

我来为你们演示泛音列。

youdao

The second origin of music comes from the harmonic series, which is demonstrated by the open pipes without holes.

音乐的第二种起源是泛音列，它由无音孔开管形成。

youdao

The harmonic series formula of the Earths disturbing potential is the most extensive applicable expression for the Earths gravity field model.

地球扰动位的球谐展开式表示是地球重力场模型应用最广泛的一种表示方法。

youdao

That's the harmonic series that's on that, and what the valves do is they shorten and lengthen that vibrating column of air very much like the cello string on the fingerboard.

这就是圆号上的泛音列,活瓣的作用是增长或减短,空气柱的高度,很像大提琴指板上的弦

耶鲁公开课 - 聆听音乐课程节选

Let me demonstrate to you the harmonic series.

我来为你们演示泛音列

耶鲁公开课 - 聆听音乐课程节选

In this case, the basic column of air is twelve and a half feet long and there are something called "Partials" or the "Harmonic series" That happens in anything, on a string instrument or whatever, but on the horn it's very distinct and that's what makes the different notes.

像这样,基本空气柱有十二个,每个半英尺长,圆号能发出分音,或泛音列,弦乐器或是,其他别的乐器中都有,但在圆号上,效果相当不同,这就是它能奏出不同音符的原因

耶鲁公开课 - 聆听音乐课程节选