单词：supersonic speed
supersonic speed的用法和样例：
例句
- A schlieren system was used for flow visualization of the flame propagating in a supersonic,combustible flow.采用纹影系统对超声速可燃气流中的火焰传播进行流场显示。
- Some shock-induced combustion wedge experiments with the high speed schlieren technology are conducted and the premixed heater is validated.在超声速气流中加入斜劈采用纹影技术进行激波点火实验，并验证了当前的预混加热器设计是成功。
- These planes travel at supersonic speeds.这些飞机以超音速的速度飞行。
- A snail by comparison is supersonic.相形之下，蜗牛的爬行倒可说是超音速的了。
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