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High Altitude Test and Evaluation of Infrared Sources 红外辐射源高空测试和评估
The pilot blacked out for a moment upon reaching such a high altitude. 飞机上升到这样高度时，飞行员昏厥了片刻时间。
high altitude test 高空试验
High Altitude Test Vehicle 高空试验飞行器
high altitude test bed 高空试车台
The airplane kept on flying at a high altitude. 这架飞机继续在高空飞行。
They were flying at high altitude. 他们正在高空飞行。
HALO - high altitude low opening. 高跳低开,指高空跳伞低空开伞。
HIGH ALTITUDE MILITARY MEDICAL FACULTY. 第三军医大学高原军事医学系。
The plane flew to a very high altitude. 飞机飞行到了一个非常的高度。
Dietz, High Altitude Medicine Guide. 参考文献Thomas E.
He found it difficult to breathe at high altitudes. 他觉得在高空呼吸困难。
The pilot shot up to a high altitude where he let loose full blat. 飞行员将飞机猛地升上了高空，然后全速前进。
The pilot shot up to a high altitude where he let loose full blast. 飞行员将飞机猛地升到高空，然后全速前进。
Accustomed to the controls, Burcham came down from high altitude. 在适应了操纵装置后，伯彻姆便从高空俯冲而下。
Helicopters perform poorly in hot weather and at high altitude. 直升机在天气炎热和海拔较高时表现不佳。
High altitude long-endurance UAV is one important branch of it. 高空长航时无人机是其一个重要分支。
The main parameters and advanced performance of test facilities at Yunnan high altitude EHV AC and DC test base are introduced. 阐述了云南省高海拔超高压交直流输变电试验中试基地主要设备的技术参数和先进性能。
So he stole to their rear and flew at a higher altitude. 于是他悄悄绕到他们后方，提高了飞行高度。
When it becomes necessary to examine the altitude performance of an aircraft engine, three types of facilities may be used-altitude wind tunnels, altitude test beds and flying test beds. 当需要考察一台航空发动机的高空性能时，可以利用三种型式的设备，即高空风洞、高空试验台和飞行试验台。