Today man can outfly the sound of his own voice.

今已能作超音速飞行了。

These planes travel at supersonic speeds.

这些飞机以超音速的速度飞行。

Shell Aviation specially developed AeroShell Turbine Oil 555 lubricant for Rolls Royce for use in supersonic transport.

这种航空润滑油是壳牌航空为罗尔斯·罗易斯公司生产的超音速飞机发动机专门研的。

The two-dimensional axisymmetric subsonic-transonic-supersonic flow in an experimental arcjet thruster is simulated numerically using flux vector splitting method.

摘要对一实验电弧加热式发动机二维轴对称亚跨超音速流动进行了数值模拟，所采用的方法是矢通量分裂算法。

1976 (Edox): The Geoscope from Edox is the world’s first watch to display the time in all the world’s time zone.

世）：协和客机成为世架运用于民用航空的超音速飞机。