并根据理论发展演化过程的不同的环境、历史时期、创作原则和实践成果分为两个不同的阶段：现代城市理论，即工业革命后西方功能主义思想：城市分散主义和城市集中主义；
In terms of the regional background , history development , designing methodology and practical works , it was divided into two eras : Modern Urban , which was the practice of Functionalism in the westerncountries ;
城市集中主义