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初中生花70元自制牛顿反射式望远镜可观测月球:陨石坑清晰可见
据了解,牛顿式反射望远镜,也称为牛顿望远镜或牛反,是艾萨克·牛顿(1643~1727)在1668年发明的反射式望远镜。 其基本原理为:牛顿式反射望远镜 ...
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