我们有直角坐标系，有柱坐标系和球坐标系。

We have rectangular coordinates, we have cylindrical coordinates and we have spherical coordinates.

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壁柱，半露柱有柱顶和底座的长方形柱子，作为装饰图案置入墙内。

A rectangular column with a capital and base, set into a wall as an ornamental motif.

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与一般的筏板基础有所不同，由于有柱墩，有肋梁墩式筏板基础梁的内力需按变截面梁计算。

Different from general raft foundation, the inner force of ribbed beam is calculated as variable section because of the stump.

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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

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