The problems concerning an aerospace vehicle's(ASV) atmospheric reentry flight attitude control system were researched.
研究了空天飞行器（ASV）再入跨大气层飞行时的姿态控制问题。
The second qualification flight of Ariane - 5(V502) will carry an atmospheric Reentry Demonstrator(ARD) which is a simple unmanned capsule - type vehicle.
欧洲再入大气层试验飞行器是简单的不载人座舱式飞行器。它将随“阿里安5”火箭的第二次鉴定飞行发射升空。
Eventually atmospheric drag removes them from orbit by lowering their altitudes until they burn up on reentry into the dense lower atmosphere.
最终空气阻力会使它们高度降低、出轨道，在重返地表的过程中，被浓密的低层大气燃烧殆尽。
Evually atmospheric drag removes them from orbit by lowering their altitudes until they burn up on reentry into the dense lower atmosphere.
最终空气阻力会使它们高度降低、出轨道，在重返地表的过程中，被浓密的低层大气燃烧殆尽。
Evually atmospheric drag removes them from orbit by lowering their altitudes until they burn up on reentry into the dense lower atmosphere.
最终空气阻力会使它们高度降低、出轨道，在重返地表的过程中，被浓密的低层大气燃烧殆尽。
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