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未来的望远镜要求比现有的哈勃太空望远镜有更大的口径,以便收集更多的光。然而对设计者来说,研制更大口径的反射镜所面临的挑战是,反射镜应能承受航天飞船发射时的严酷条件,并
Future telescopes require a larger aperture than the existing Hubble Space Telescope in order to collect more light. However, for designers, the challenge of developing larger-diameter mirrors is that the mirrors should withstand the harsh conditions of spacecraft launch and