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- A fresh method on the condition of hypersonic speed, based on disturbance observer and dynamic inversioncontrol is introduced in this paper in order to solve the stability of flight control system. 文中介绍了在高超音速条件下,基于干扰观测器和非线性动态逆控制的方法,对飞行器姿态控制系统的稳定性的研究。
- LETHALFORCE:I wonder what Interceptors and radar were use since ICBM's travel at Hypersonic speeds??also what missile was used and the results?? 被过滤广告我不知道中国这次用的什么拦截系统和雷达，因为洲际弹道导弹的飞行速速是超高音速的。还有这次试验用的是什么导弹？
- Atmospheric reentry generates tremendous heating on the undersurface of spacecraft (a couple of thousand degrees Celsius) caused by the friction of the air rushing by at hypersonic speeds. 以极音速重返大气时，空气造成的摩擦在太空船底部表面产生极高的热（大约为摄氏数千度）。
- No horse has a speed comparable to that of his. 没有一匹马的速度能比得上他的马。
- That's all there is to make a speed dial call. 在那里全部要进行快速拨号呼叫。
- The great virtue of air travel is speed. 乘飞机旅行的最大优点是速度快。
- He drove the car at full speed through the town. 他驾驶汽车全速穿过那座城镇。
- The car rushed at the bridge at astonishing speed. 汽车以惊人的速度向桥冲过去。
- The motorcycles were spinning along at full speed. 摩托车正全速疾驰。
- What's the speed limit on the motorway? 高速公路的速度限制是多少?
- The speed of this aircraft is very high. 这架飞机的速度非常快。
- The new model delivers speed and fuel economy. 这种新型设计能提高速度、 节约燃料。
- He was had up for exceeding the speed limit. 他因超速行驶而遭控告。
- The hurricane has a speed of 73 miles per hour. 飓风每小时73英里。
- The speed of a runaway horse count for nothing. 脱缰之马的速度毫无价值。
- "More haste, less speed", as the saying goes. 常言道，“欲速则不达”。
- Harden up a little, we need more speed. 把帆索拉紧一点，我们需要加快速度。
- He is driving at a terrific speed. 他以极快的速度驾驶。
- He usually drives at a moderate speed. 他通常中速驾驶。
- The cars got up speed on the straight. 汽车直驶时加快了速度。
