Planning was essential for the provision of housing in the shenzhen sez in three major aspects . ( 1 ) land use zoning under certain planning concept and in terms of various levels of physical plans governed directly the amount of land to be designed for residential use . ( 2 ) development targets within a specified time frame such as population growth and economic development in different areas determined the amount of housing provision . ( 3 ) various planning standards and regulation controlled the amount of gross floor area of residential building 计划在三个方面对在深圳经济特区提供住房是最基本的. ( 1 )一定计划概念下根据不同层次物质计划的土地使用分区制直接支配设计为居住用途土地的量. ( 2 )开发对象在某一规定的时间框架以内如不同区域的人口增长和经济发展决定住房提供的量. ( 3 )不同的计划标准和规定控制居住建筑的毛楼层面积的量
