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- The physics of supersonic flight. 超音速飞行的物理性质
- The suggested surface can increase the aerodynamic efficiency (lift-to-drag ratio) of the baseline configuration by 5%-6% in subsonic and supersonic flight regimes. 此外，不论是亚声速还是超声速飞行，气动操纵面均可以提高气动效率5%25-6%25。
- Made of advanced composite materials, the Quiet Spike weighed some 470 pounds and extended from 14 feet in subsonic flight to 24 feet in supersonic flight. 制成的先进复合材料，该安静斯派克体重大约470磅，延长至14英尺的亚音速飞行至24英尺的超音速飞行。
- The unsteady aerodynamics on body are dealt with two quasi steady aerodynamics theories(i.e. slender body method and subsection aerodynamics derivative method which are applicable to subsonic and supersonic flight conditions). 用细长体理论和气动导数方法计算了导弹的非定常气动力 ,两种方法均适用于亚音速和超音速情况。
- On condition that the front body shape of the projectile is unchangeable,a formula is obtained for determining the relation between the optimum boattail angle and the supersonic flight region. 在弹丸前体外形和外界大气密度不变的条件下，提出了利用弹丸炮口马赫数和顶点马赫数确定旋转弹丸最佳尾锥角的方法。
- aerodynamics of supersonic flight 超音速空气动力学
- I'll book you on a direct flight to London. 我将为你预订直飞伦敦的航班。
- The flight to Accra goes twice a week. 飞往阿克拉的班机一星期开两班。
- The old woman fell down a flight of stairs. 那位老太太从一段楼梯上摔了下来。
- Have you taken supersonic aircraft? 你坐过超音速飞机吗?
- A flight of steps led up to the house. 一段台阶向上通到了屋前。
- He set his house on fire before he took to flight. 他逃跑前，放火烧了自己的房子。
- A nobleman of varying status or rank. 贵族各种爵位或地位的贵族
- I'll make sure of the time of the flight. 我要核实一下这班飞机的时间。
- His room is approached by a flight of steps. 有一段台阶通向他的房间。
- The sound of danger gives wings to his flight. 危险的信号加速了他的逃跑。
- The bandits, hearing steps, took to flight. 匪徒听到脚步声就逃跑了。
- This flight is routed to Chicago via New York. 这班机是经纽约飞往芝加哥的。
- The flight was heavily overbooked. 该班机订位已超员。
- Developing the supersonic jet was quite an accomplishment. 开发超音速喷气机是一项了不起的成就。
