原场地中有个巨大的核心柱和一些圆形半柱，空间零碎。

The original building condition has a core column and several semi-oval blocks which essentially disorganized the space.

youdao

这款新型器件采用安装在具有集成半柱型透镜的3引脚环氧树脂封装模块中的光电二极管及宽带放大器。

The new device features a photo diode and a wide-band amplifier mounted within a 3-pin epoxy- encapsulated module with an integrated semi-cylindrical lens.

youdao

我没有用手控制，都是十二个半英尺高的震动空气柱，自然产生的音符。

Now I didn't use — no hands — that was just the notes that are naturally on the twelve and a half-foot length of vibrating air.

youdao

Now I didn't use--no hands-- that was just the notes that are naturally on the twelve and a half-foot length of vibrating air.

我没有用手控制,都是十二个半英尺高的震动空气柱,自然产生的音符

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