这架新飞机的飞行速度是音速的两倍。
飞机将以两倍于音速的速度飞行。
这架新式飞机以两倍于音速的速度飞行。
这架新式飞机以两倍于音速的速度飞行。
这喷气式飞机能以两倍于音速的速度飞行。
相形之下，蜗牛的爬行倒可说是超音速的了。
目标是以大约2马赫的速度飞行，也就是音速的两倍。
The aim is to fly at about Mach 2, twice the speed of sound.
超高速冲压喷气发动机引擎在飞机超过音速的情况下不能启动。
Scramjets engines can not start until the plane flies faster than the speed of sound.
搭乘超音速飞机飞行会成为21世纪常见的旅行方式。
Supersonic flight could become a routine form of travel in the 21st century.
许多超音速飞机的机头都有类似的针状设计。
他们乘坐超音速飞机去了一个美丽的城市。
超音速这个名字是为了纪念西雅图对喷气式飞机时代的贡献。
The name "Supersonics" honors Seattle's contribution to the jet age.
这些现象也反映了燃烧室内亚音速流场的性质。
These phenomena are controlled by the nature of the subsonic flow field.
一种新的超音速飞机正在设计之中。
爆轰是一种以冲击波为特征，以超音速传播的爆炸。
Detonation is propagation of a combustion-driven shock wave at or above the speed of sound.
不过，后休克的流动，在射流仍会亚音速。
However, after the shock the flow in the jet will still be subsonic.
由于速度几近音速，我们把引擎的轰鸣声甩在了后面。
At near the speed of sound, we were flying ahead of our engine's roar.
超音速这个名字是为了纪念西雅图对喷气式飞机时代的贡献。
The name "Supersonics" honors Seattle "s contribution to the jet age."
失速和尾旋是超音速战斗机的一种复杂而又危险的运动状态。
Stall and spin is a complex and dangerous movement state for supersonic fighter.
这不是遥远的梦，超音速飞机将缩短星球之间的距离。
The new canal will reduce the distance between the two cities by half.
结果表明，本方法是跨音速计算的强有力手段。
It is shown that this method is a powerful tool for the transonic flow calculation.
结果表明，本方法是跨音速计算的强有力手段。
It is shown that this method is a powerful tool for the transonic flow calculation.
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