史学研究必须依据存世的文献数据与实物数据。新数据可能提供新的历史信息,深化我们对历史的认识,像简犊帛书对于秦汉史、敦煌吐鲁番文书对于隋唐史那样,所以向来为学界所重视。但是新资料的发现有着很大的偶然性。多年以来, Historical studies must be based on surviving documents and physical data. New data may provide new historical information and deepen our understanding of history. For example, the Book of Fine and Ancient Literature has always attached great importance to the history of the Qin and Han Dynasties and Dunhuang and Turfan texts to the history of the Sui and Tang Dynasties. However, the discovery of new information has great chance. over the years,