Rosat was an X-ray telescope mission and had a mirror system made of a reinforced carbon composite material.
伦琴卫星是一只X射线望远镜，同时拥有由加强型碳纤维复合材料制成的镜子系统。
ROSAT, a German X-ray telescope built with British and American technology, has been orbiting the Earth since 1990 and has provided invaluable data on stars.
德国与英国和美国一起制造的ROSAT号X射线望远镜于1990年发射升空，在地球轨道上运行。它已经提供了很多很有价值的天体数据。
ROSAT, a German X-ray telescope built with British and American technology, has been orbiting the Earth since 1990 and has provided invaluable data on stars.
德国与英国和美国一起制造的ROSAT号X射线望远镜于1990年发射升空，在地球轨道上运行。它已经提供了很多很有价值的天体数据。
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