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来源:雅诚德英语网
Many astronomers use radio telescopes for space experiments, which work just as well during the daylight hours.
许多天文学家使用射电望远镜进行太空实验,这些望远镜在白天也同样有效。
Many astronomers use radio telescopes for space experiments, which work just as well during the daylight hours.
许多天文学家使用射电望远镜进行太空实验,这些望远镜在白天也同样有效。