复数： reentries

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Optimal reentry volte-face trajectory and control for hypersonic spacecraft .

高超声速航天器最优再入大回转轨迹与控制。

A tracking method for a maneuverable reentry target .

对机动再入目标的跟踪方法。

The company has already signed a partnership with nasa to research development of the mission 's heat shield and reentry strategy .

公司已与nasa签署了合作，以研发该任务所需的热保护罩和再入策略。

Discovery landed after safely crossing the continent in the first coast-to-coast reentry since the columbia disaster .

自哥伦比亚号失事以来，这是发现号第一次安全重返大气层。

Above all , shooting a rocket up is one thing ; mastering the reentry technology that a military ballistic missile requires is quite another .

总的来说，发射火箭是一回事，而掌握制造军事弹道导弹所需的重返地球大气层的技术则又是另一回事了。