1)选取全国主要经济城市; Major economic city
2)在距主城区10-20公里左右的文化、生态、景观、交通动线区域 In the downtown areas of 10-20 kilometers away to the cultural, ecological, landscape, regional transportation line
3)经济发达,能形成2小时及以上辐射圈; 2 hours and over radiation circle
4)城市具备一定的消费能力 The spending powerful city