改革开放以来,我国已形成三大著名经济圈,即长三角、珠三角和环渤海圈。三大经济圈以占全国10%左右的人口,创造了占全国40%左右的地区生产总值,对国家经济发展发挥了重要的支撑作用。当今,我国开始进入城市群主导区域经济发展的时代,从中央到地方,从沿海到内地,都在寻找下一个增长极。第四极在哪里?2012年12月28日,时任中共中央政治局常 Since the reform and opening up, China has formed three famous economic circles, namely the Yangtze River Delta, the Pearl River Delta and the Bohai Rim. The three major economic circles, accounting for about 10% of the country’s population, have created a GDP of about 40% of the country’s total and have played an important supporting role in the country’s economic development. Nowadays, our country has started to enter the era of economic development in the dominant urban agglomerations. From the central government to the localities and from the coast to the interior, it is looking for the next growth pole. Where is the fourth pole? December 28, 2012, when the Political Bureau of the CPC Central Committee often