“emergency landing zone”的概念、定义、翻译、参考文献-科学参考

单词	emergency landing zone
释义	emergency landing zone Encyclopedia 工学落区释 emergency landing zone应急着陆区弹箭回收时备选着陆区域。载人航天领域特指出现危及航天员生命安全或载人飞船出现不可修复故障的异常情况下，载人飞船返回舱需要紧急着陆的预选区域。
随便看	economic development of China's mega cities economic development zone in urban China economic diplomacy economic dispatch control economic distribution map economic early warning economic effectiveness for society economic entities of diverse ownership economic entity economic equilibrium economic espionage economic ethic economic evaluation economic evaluation of investment on grassland economic evaluation of railway investment economic evaluation of resources economic faction economic feasibility economic feasibility analysis of safety engineering economic fineness economic forecast economic forest breeding economic formation of society economic foundation economic function of green space

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