首提四大战略叠加效应，强调重点区域增长极作用

Core Viewpoint - The Fourth Plenary Session of the 20th Central Committee of the Communist Party of China emphasized optimizing regional economic layout and promoting coordinated regional development through the integration of four major strategies, aiming for high-quality development and a complementary regional economic structure [1][2]. Group 1: Strategic Emphasis - The concept of "cumulative effect" was introduced for the first time, aiming to unify various regional development strategies and enhance local advantages through collaboration [2][3]. - The "14th Five-Year Plan" outlines major regional strategies to promote coordinated economic development in key areas such as the Beijing-Tianjin-Hebei region and the Yangtze River Economic Belt [2][3]. Group 2: Key Regional Development - The emphasis on "key regional growth poles" suggests that major urban areas and regions will play a more significant role in driving economic growth, potentially diminishing the focus on strong provincial capitals [4][5]. - The importance of the Chengdu-Chongqing economic circle and the central Yangtze River urban agglomeration is expected to increase, as these areas are identified as high-quality development growth poles [4][5]. Group 3: Coordination and Integration - The session highlighted the need for enhanced regional coordination and integration, which is crucial for the construction of a unified national market and the transformation of technological achievements into industrial applications [5]. - The report's focus on promoting regional linkage aligns with the goal of breaking down administrative barriers to facilitate high-quality development [5].