一、旧城改造是复杂的系统工程由于历史、政治和经济等方面的原因,我国城市的旧区,或多或少存在着布局混乱、房屋破旧、居住拥挤、交通阻塞、环境污染、市政和公共设施短缺等问题,影响着城市经济和社会的和谐发展。 First, the transformation of the old city is a complex system engineering Due to historical, political and economic reasons, the old urban areas in our country, there are more or less the layout of chaos, dilapidated houses, crowded living, traffic congestion, environmental pollution, municipal and Public facilities and other issues, affecting the city’s economic and social harmony.