m岷筼 ch啤i t脿i x峄塽 online
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这次试验的飞行器呈“飞碟”状，周身被厚厚的气囊包裹。508所称，IRDT技术基于空间充气展开结构的设计理念，集成了再入减速过程中的热防护、气动减速、着陆缓冲、水上漂浮等功能，能够实现航天器的承载、减速、防热一体化设计，使其不再需要防热大底、降落伞、缓冲气囊等附属设备。火星大气较为稀薄，能为航天器着陆前减速提供的阻力有限。庞之浩介绍，目前所有的火星着陆器都是采用刚性减速器和“盘-缝-带”降落伞方案完成减速。
（四）集体土地上租赁型职工集体宿舍的建设按照《关于进一步加强利用集体土地建设租赁住房工作的有关意见》（市规划国土发〔2017〕376号）进行。
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