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日本拟研制火箭飞机日本航天事务委员会拟于１９９８年２月中旬对单级入轨的火箭飞机方案进行评审，该项评审是对日本在２０００年后的航天运输需求的总评审的一部分。这个火箭飞机的方案设想是由日本宇宙开发事业团和国家航天实验室联合提出的，飞机的外形为带翼圆柱形，...
Japan plans to develop a rocket plane Japan’s Space Affairs Commission plans to conduct a review of the single-stage orbiting rocket plane program in mid-February 1998 as part of Japan’s overall review of space transport requirements beyond 2000. The concept of the rocket aircraft project was jointly proposed by Japan’s Space Development Corporation and the National Aerospace Laboratory. The aircraft’s shape is a wing-shaped cylinder, ...