1.
a subsonic jet airliner operated over short distances.
短距离的次音速的客机。
2.
It would reach hypersonic speeds-- five times the speed of sound.
也就是说，要使飞机达到特超音速—即音速的五倍。
3.
Of or relating to aerodynamic flow or flight conditions at speeds close to the speed of sound.
超音速的速度接近音速时的气流或飞行状况的、或与之有关的
4.
Of, relating to, or capable of speed equal to or exceeding five times the speed of sound.
超波音速的等于或超过音速五倍的速度的，与这种速度有关的，或能达到这速度的
5.
A system of shorthand based on phonetic transcription.
表音速记法基于语音表述的速记方法
6.
Note the use of the vowel sound in should and must when they are pronounced quickly.
注意should和must中快速发音时元音的发音。
7.
The rapid alternation of two tones either a whole or a half tone apart.
颤音两个相距一个音或半个音的音的迅速交替
8.
Light travels faster than sound.
光的速度比声音快。
9.
(music) at a rapid tempo.
（音乐）以迅速的节拍。
10.
the new generation of supersonic airliners
新一代的超音速客机
11.
the physics of supersonic flight.
超音速飞行的物理性质
12.
aircraft flying at subsonic speeds.
以次音速飞行的飞机。
13.
a prototype supersonic aircraft
超音速飞机的样机.
14.
ultrasonically activated extruder
超音速驱动的挤压机
15.
Stability of Transonic Shocks in Supersonic Flow Past a Wedge;
超音速绕流中产生的跨音速激波的稳定性研究
16.
The practice of transcribing speech sounds by means of phonetic symbols.
表音速记法通过音标来描述语音的方法
17.
Research on Adjustment of Speech Velocity, Volume and Tone in Chinese Speech Recognition
在汉语语音识别中语速、音量和音调调整的研究
18.
Pneumatic signals will travel only at sonic speeds.
气动信号的传输速度仅仅相当于音速。