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Currently Playing: 11位外国天文学家为清廷编历法，背后历史如何看待？ #清代官员#汤若望#徐光启 #清代钦天监 #古版画考据

11位外国天文学家为清廷编历法，背后历史如何看待？ #清代官员#汤若望#徐光启 #清代钦天监 #古版画考据

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