These planes travel at supersonic speeds.这些飞机以超音速的速度飞行.In conclusion we note the following general items concerning flow in supersonic nozzles.最后,我们归纳几个关于超音速喷管流动的一般原则.In addition, the vehicle essentially surfs on the sup...
There was a huge bang; it sounded like a supersonic jet.传来一声巨响，听起来像是超音速喷气式飞机的声音。These planes travel at supersonic speeds.这些飞机以超音速的速度飞行.Supersonic flight could become a routine form of travel in the 21st century.搭乘超音速飞机会成...