This paper first discusses the mission and property of a returnable satellite, then presents the design method of electrical power system.

文章首先讨论返回式卫星的任务和特点，然后给出供配电系统的设计方法。

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A method based-on mission model for quantitative risk assessment is presented. It combines the information from manage level and technology level.

将管理层面的评估与技术层面的评估相结合，提出了一种基于任务模型的风险量化评估方法。

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Finally, results of lake test are given to validate the mission and task coordination method of the AUV planning layer.

最后，通过湖试试验验证了AUV规划层使命与任务协调方法的正确性。

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