大都市轴心化与生态危机

城市的吸引力与城市规模日益形成正比甚至平方正比关系，以前的城乡剪刀差如今日益恶化为城市等级剪刀差。随着大都市轴心化趋势的发展，不同城市之间的等级差距拉大，使得宏观层面上的不公平反而加剧。都市化竞赛的结果是使大部分中小城市变成大都市的附庸；大都市则成为资源高度集聚、经济文化高度发展的轴心。这就是城市的立体化结构造成的中国城市发展的大都市轴心化趋势。西方大都市的没落和中国大都市的繁荣扩张形成了鲜明的对比，从表面上看是中国式后发式发展优势的体现，而从深层解读则可能意味着中国的大都市发展同样需要走向“后大都市”的转型——从繁荣转向寂寞。

Metropolitan Axis and ecological crisis

Attraction and size of city are increasingly shape direct proportional or even square proportional relationship, the former differences between urban and rural are now deteriorating for tile city levels. With the development trend of axis of metropolis, the gap widened between different cities, making the unfair which on the macro level intensified. The result of the contest between cities is to make the most urbanized small cities become vassals of metropolises, while metropolises have become the axis where resources are highly concentrated, economic and culture are high degree developed. This is axis development trend of Chinese metropolis which caused by the three-dimensional structure of city. Decline of western metropolis and prosperous and expansion of Chinese metropolis have a stark contrast. To the surface, it is a manifestation of Chinese-style latecomer development will undergo the ＂Post- metropolis＂ transformation -