市场化转型29年之后,中国的改革试验向纵深推进,由此,中部城市圈的试验价值日益凸显。事实上,上世纪80年代初以四大经济特区及14个沿海开放城市为先声的开放试验,为我国积累了宝贵的外生型发展经验,由 After 29 years of market-oriented transformation, China's reform experiments have been advancing in depth. As a result, the experimental value of the Central City Circle has become increasingly prominent. In fact, the opening-up trial started with the four special economic zones and 14 coastal open cities in the early 1980s has accumulated valuable experience in exogenous development for our country.