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安全余量
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安全余量
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工学
〔设计与技术〕
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flight performance reserve
安全余量
火箭在飞行过程中设计参数出现偏差和受到外界干扰的情况下,保证火箭安全飞行,并按设计概率水平制导关机入轨所需的最小推进剂储备量。
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