求翻译：以国内外城市群空间结构发展模式的理论研究为基础，以改革开放30年来山东半岛城市群空间结构的发展演变为方向，以山东半岛蓝色经济区发展规划为指导，提出山东半岛城市群空间结构发展模式的优化建议。是什么意思？

At home and abroad the theoretical study of the spatial structure of urban agglomeration development model based on the evolution of the spatial structure of the Shandong Peninsula City for 30 years as a direction of reform and opening to the Shandong Peninsula Blue Economic Zone Development Plan as

The internal and external space city development model of theoretical research as the basis, for 30 years Reform and opening up the space of the Shandong Peninsula to evolution in Shandong Peninsula, blue economic zone development planning guide for Shandong Peninsula, spatial structure of optimizat

Take the domestic and foreign urban cluster spatial structure development pattern fundamental research as a foundation, take the reform and open policy for 30 year Shandong Peninsula urban cluster spatial structure development evolution as a direction, take the Shandong Peninsula blue color economic

Based on the theoretical research on the development mode of the spatial structure of urban agglomeration at home and abroad, to 30 years reform and opening up for the evolution of spatial structure of urban agglomeration in Shandong peninsula, guided by the blue of the Shandong peninsula economic z

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