Early history of the photographic sky maps with wide-angle astrograph is reviewed briefly.12 famous patrol atlases and maps are outlined.
略要地回顾了应用广角天体的天图发展历史。
Early history of the photographic sky maps with wide-angle astrograph is reviewed briefly.12 famous patrol atlases and maps are outlined.
略要地回顾了应用广角天体的天图发展历史。
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