一定地域范围内，以区域生产力合理布局和城镇职能分工为依据，确定不同人口规模等级和职能分工的城镇的分布和发展规划。
本法所称城乡规划，包括城镇体系规划、城市规划、镇规划、乡规划和村庄规划。
The term "urban and rural planning" as mentioned in this Law includes urban system planning, city planning, town planning, township planning and village planning.
为此，北京市总体规划确立的城镇体系布局，是建立市区、卫星城、中心镇和建制镇的四级城镇体系。
Therefore, according to Beijing' s general planning, the arrangement of city - and - town system is to establish a system of four levels, namely, downtown, satellite town, central town and town.
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