结合种群生态学的共生理论和区域一体化的多中心发展趋势,提出了区域多中心共生的概念,并以广西北部湾经济区为例,通过城市经济能级指数和共生密度等指标分析了经济区多中心共生与辐射的状况及机制,进而依据共生集聚与辐射关系提出了由“一个区域主中心、三个区域副中心以及两个集中区”构成的广西北部湾经济区“132”空间战略结构和网络运作模式。 Based on the symbiosis theory of population ecology and the multi-center development trend of regional integration, the concept of regional symbiosis was put forward. Taking Beibu Gulf Economic Zone in Guangxi as an example, this paper analyzes the economy through the indexes of urban economic level index and symbiotic density Based on the relationship between symbiotic agglomeration and radiation, this paper puts forward the proposal that the “Beibu Gulf Economic Zone of Guangxi” consisting of “one regional main center, three regional sub-centers and two concentration zones” "Space strategic structure and network operation mode.