求翻译：第二，做出理论分析。研究发现，经济活动地理集中存在中心——外围空间结构，要素集聚与资本技术扩散是经济活动地理集中的关键；内在机制包括地方化集聚发展、产业组织共生发展和空间结构优化发展。是什么意思？

Second, make a theoretical analysis. The study found that there is geographic concentration of economic activity center - periphery spatial structure, elements of capital accumulation and technology diffusion is the key to geographic concentration of economic activity; internal mechanisms include lo

No. 2, make a theoretical analysis. Studies have found that economic activity center for geographic concentration exists - outlying spatial structure elements, together with capital- and technology-proliferation is geographical concentration of economic activity; and the key mechanism within the loc

Second, makes the theoretical analysis.The research discovered that, the economic activity geography centralism existence center - - periphery spatial structure, the essential factor gathers with the capital technology proliferation is the economic activity geography centralism key; The intrinsic me

Second, the theoretical analysis. Study finds that geographical concentration of economic activity center--periphery spatial structure, elements of agglomeration and of capital and technology diffusion is the key of geographic concentration of economic activity; internal mechanisms, including the lo

Second, the theoretical analysis. Study finds that geographical concentration of economic activity center--periphery spatial structure, elements of agglomeration and of capital and technology diffusion is the key of geographic concentration of economic activity; internal mechanisms, including the lo