城乡二元经济结构一般认为，城乡二元经济结构是指发展中国家传统部门（如农业）比重过大、现代经济部门发展不足以及城乡差距十分明显的一种状态。这种状态既是发展中国家的经济结构存在的突出矛盾，也是这些国家相对贫困和落后的重要原因。发展中国家的现代化进程，可以说在 The urban-rural dual economic structure generally believes that the urban-rural dual economic structure refers to a situation in which the proportion of traditional sectors (such as agriculture) in developing countries is too large, the development of modern economic sectors is insufficient, and the gap between urban and rural areas is very obvious. This state is both a prominent contradiction in the economic structure of developing countries and an important reason for the relative poverty and backwardness of these countries. The modernization process of developing countries can be described as