文化可分为弱势和强势两大区域,也可以划分为更多层次的文化区,比如强势文化区之后,尚有次强势文化区以及再次强势文化区,采用何种方法来区分文化的强弱层次,取决于研究对象和所要解决的问题。文化的强势区往往是政治中心及其直接受辐射区域,如唐代前期,北方是文化强势区,而南方则为弱势文化区；安史之乱之后,南方经济有了发展,文化也得到发展,南方成了经济重心之 Culture can be divided into two regions, weak and strong, and can be divided into more levels of cultural areas. For example, there are still strong cultural areas and strong cultural areas once again. What methods are used to distinguish the strengths and weaknesses of cultures? The level depends on the research object and the problem to be solved. The strong areas of culture are often the political centers and their immediate radiation areas. For example, in the early Tang Dynasty, the north was a strong cultural area while the south was a weak cultural area. After the Anhsang Dynasty, the southern economy developed and the culture also developed. The economic center of gravity