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古人云:“左图右史”,“索象于图,索理于书”。这说明了历史地图对于掌握历史知识的重要性。挖掘图片史料中的隐含信息,
The ancients said: “Right history on the left”, “Like the image, make it on the book.” This illustrates the importance of historical maps for mastering historical knowledge. Mining hidden information in historical photographs,