中文摘要：

1990年代西方学者对于“社会主义转型国家”城市社会空间进行了大量研究。尽管中东欧社会主义转型国家与中国城市社会空间演进有某些共同点，如郊区化、内城区衰落、居住隔离等，但两者的分异机制迥然不同，前者为“社会主义向资本主义的彻底的急速转型”，后者为“社会主义前提”的渐进转型。这对中国城市社会空间的深入研究具有较大的指导意义。

英文摘要：

The paper generalized and analyzed the studies on the urban social space in the socialist transitional countries. There were common grounds in the evolution of urban social space between the central-east Europe and China, such as suburbanization, poor inner-city, residential segregation etc. The former experienced the rapid and thorough transition from Socialist to Capitalist in the early 1990s, which generated serious social instability, especially, social inequality. The later was the gradual and stable transition under the socialist ideology. So it will be helpful for the next studies on the urban China social space. China, as the state socialist countries, has entered into the transitional era since the Open and Reform in 1978. The ＂solid＂ urban structure started to change under the influence ofsocio-economic transition. In general, the Chinese city has become the transitional city. The socio-economic transition imprinted naturally their influence in urban space, which was re-structured gradually. Facing with the serious social problem and spatial restructure, urban planners, sociologists, cerographists in China and central-east Europe focused on the ＂urban transition＂. They concluded that the transition from state redistribution to market economy changed the social stratification. Some social groups wined, some lost. The winners bought larger houses in new-built suburb. The losers had to be stayed in the social housings, which constructed in socialist era with low quality. The social stratification was determined by the families＇ economic status, that is to say, the market competitive ability. The urban society polarized and the social space polarized also. The above phenomenon has been proved by the Prague and Erfurt in East Germany. Although the transition process of China is different from the central-east Europe, it also generated a series of urban restructuring. Some researchers put forward that the four urban spaces emerged in Chinese cities under reform, globalization and rural-urban migr