人类社会已胜利迈入２１世纪。据预测，新的 世纪城市人口将达到５０多亿，在这人类历史上的第一个城市世纪里，如何构建城市的今天和明天，是我们面临的重要选择。 城市的发展是随着生产的发展而发展的。城市不仅是政治、文化的中心，更是区域经济发展的龙头。无论是农业经济 Human society has already won the 21st century. It is predicted that the population of the new century will reach over 5 billion. In the first century of mankind’s history, how to build the city today and tomorrow is an important choice we face. The development of cities develops with the development of production. The city is not only the center of politics and culture, but also the leader of regional economic development. Whether it is agricultural economy