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["id","content"]
["1","夏"]
["2","商"]
["3","西周"]
["4","春秋"]
["5","战国"]
["6","西汉"]
["7","东汉"]
["8","三国"]
["9","西晋"]
["10","新朝"]
["11","东晋"]
["12","南北朝"]
["13","隋"]
["14","唐"]
["15","宋"]
["16","元"]
["17","明"]
["18","清"]
["19","民国"]
["20","共和国"]