1·Trajectory optimization is one of the key factors in scheme planning of the new type of hypersonic gliding reentry vehicles.
轨迹优化是新型高超声速滑翔式再入飞行器方案设计的关键技术之一。
2·The design concept and principle of injector valve system of hypersonic wind tunnel controlled by the computer are introduced in this paper.
本文介绍了高超声速风洞引射器阀门系统采用计算机控制的设计思想和原理框图。
3·Hypersonic viscous interaction effects on measurement of free stream pressure in test section are studied through theoretical analysis, experiment measurement and numerical simulation.
通过理论分析、实验测量和数值模拟，研究高超声速粘性相互作用对实验段自由流静压测量的影响。
4·The essential of using experimental design method to configuration design of hypersonic aircraft are expounded.
阐述了在进行高超声速飞行器外形设计中，应用试验设计方法的必要性。
5·At last, the effect on the outer ballistic trajectory characteristic after the ablation of hypersonic projectile wing has been analyzed.
最后，初步分析了高超声速弹翼表面发生烧蚀后对其外弹道特性的影响。
1·America's forthcoming "Prompt Global Strike" non-nuclear hypersonic missiles will be able to hit almost any spot on earth in less than an hour-provided excellent satellite data is available.
美国即将问世的“全球快速打击”非核高超音速导弹，能在一小时内，打击地球上几乎任何地点——前提条件是有尖端卫星数据可用。
2·We know how to insert the aircraft into atmospheric hypersonic flight.
我们知道如何让飞机进入大气层并以高超音速飞行。
3·Plus, hypersonic flight has so far only been demonstrated for small unpiloted craft carried to high speed by other vehicles - and other planned experimental craft are too small to carry a pilot.
并且高超音速飞机目前只演示过由其他飞行器携带小型无人机至高速，而且其他计划中的试验飞行器同样太小不能坐人。
4·The Falcon Hypersonic Test Vehicle 2 (HTV-2) successfully separated from its rocket but lost contact shortly into its "glide phase".
“猎鹰”高超音速试验机(HTV - 2)成功与运载火箭分离，然而进入“滑翔阶段”后不久便与地面失去了联系。
5·It is necessary to simulate the high enthalpy, high pressure, Mach number and the same concentration of oxygen species as air in hypersonic flight.
地面实验设备必须要模拟高超音速飞行状态下气流的焓、压力、M数和空气中氧气的组分。
1·The university has been working on hypersonic technology for nearly 16 years.
该大学研究极超音速技术已经近16年了。
—— 《柯林斯英汉双解大词典》
2·The longest previous hypersonic scramjet flight test, performed by a NASA X-43 in 2004, was faster, but lasted only about 10 seconds and used less logistically supportable hydrogen fuel.
先前最长的冲压式喷气发动机下极超音速飞行测试，是在2004年由NASA的X-43进行的，速度更快，但只持续了10s。
3·The May 25 attempt will be the only hypersonic flight attempt this fiscal year, a change from the original test plan, which was to fly once in December 2009 and three more times in 2010.
5月25日的尝试将会是本财政年内唯一的一次极超音速飞行测试，按照原计划，2010年将有三次测试，但计划有所改变。
4·The hypersonic X-43A flew faster, but the X-51A flew longer.
的极超音速X - 43A条飞行速度更快，但X - 51A的飞行时间。