sub-,低于，亚于，sonic,声音的。引申词义亚音速的。

1. This is 20,000 feet higher than most subsonic airliners.

这比大多数亚音速飞机的飞行高度高20,000英尺。

来自柯林斯例句

2. The Variabledomain variational FEM is used to design 2 D subsonic cascades.

本文给出了亚声速平面叶栅反命题计算的势函数变域变分有限元解法.

来自互联网

3. I have no idea what subsonic speed is.

我实在不明白什么是亚声速.

来自互联网

4. Experience in supersonic flight is modifying subsonic aircraft.

超音速飞行的经验可以修正亚音速飞行.

来自互联网

5. A grid generation platform is provided in subsonic, transonic and supersonic CFD software platform.

在亚跨超CFD软件平台中,提供了一个网格生成平台.

来自互联网