1990年,建筑设计大师张开济先生撰文指出:“今后城市住宅建设中将出现下列三种变化。即(1)‘多层高密度’必将取代‘高层高密度’;(2)院落式布局必将取代行列式布局;(3)坡屋顶将取代平屋顶”。①八年以来,北方城市大量性建设的集合住宅发生了重大的变化。以长春市为例,高层住宅的建设数量逐年下降,新建的基隆小区和已建成的绿园安居一期及富豪花园 In 1990, architect Zhang Kaiji wrote: “” The following three changes will occur in urban housing construction in the future: (1) ’multi-layer high-density’ will replace high-layer high-layer buildings; Will replace the determinant layout; (3) Slope roof will replace the flat roof . ① In the past eight years, significant changes have taken place in the mass residential construction in northern cities. Take Changchun as an example, the number of high-rise residential buildings has been declining year by year. The newly-built Keelung Residential Quarters and the completed Green Park Phase I and Regal Garden