历史信息不仅来自于教科书、文献资料、网络,还包括出土文物,如墓葬、沉船、遗址、碑刻、器物……唐代诗人杜牧在《赤壁》中写道:“折戟沉沙铁未销,自将磨洗认前朝。”意为折断的战戟沉在泥沙中并未被销蚀,自己将它磨洗后认 Historical information comes not only from textbooks, documents and networks, but also unearthed cultural relics such as tombs, shipwrecks, ruins, inscriptions, artifacts ... ... Tang Dynasty poet Du Mu wrote in “Red Cliff”: “ , Since the mill will be recognized before the North Korea. ”Means broken broken halberd Shen sink in the sediment has not been eroded, he will wash it after the recognition