Being the base of great city , they provide all kinds of industrial elements . on the other hand , they connect the central districts and outskirts towns of chengdu . with good basic conditions , the towns are the very effience areas for the central districts " expanding and they may become the hearts of the rural areas , which will absorb the residual labour force 一方面，它是大都市发展的基地，为大都市发展提供各类生产要素支撑，接受中心城区的产业扩散；另一方面，它是成都市域连接中心城区与远郊乡镇的经济纽带，由于其基础条件较好、优势明显，所以是中心城区扩展的有效区域，对远郊区域发展仍然起集聚、扩散作用，承担农村地区中心功能，为农村服务，接纳农村剩余劳动力。
Beijing xijiao - hotel next to the fourth ring and no . 13 subway wudaokou stop , near zhongguancun hi - tech area , with bus station around ; 30 min 40 km to capital airport ; 25 min 19 km to beijing west station , 35 min 20 km to beijing station ; 20 min 18 km to downtown area ; 10 min 5 km to shangdi hi - tech area ; 10 min 6 km to summer palace ; take tour bus around hotel could go straight to great wall or other places of interest ; go straight to xizhimen traffic hinge by no . 13 subway , and exchange no . 2 subway to other traffic hinge ; car rental services for guests 距机场30分钟车程约40公里距北京西站25分钟车程约19公里，距北京站35分钟约20公里距市中心20分钟车程约18公里距上地高科技园区10分钟车程约5公里距颐和园10分钟车程约6公里宾馆附近有巴士往返机场，在宾馆外乘坐旅游大巴即可一站到达长城等远郊景点。购物观光只需在酒店附近搭乘每人人民币5元的轻轨10分钟即可到西直门，并可换乘地铁到达市中心及各交通枢纽。宾馆同时有租车服务供客人选择
The regulation showed : land use diversity and combination types of land use were increased from suburb to distant suburb plain and half coteau . the opposition trend was presented on the change of the concentration index of land use . as distant suburb coteau was controlled by the background of mountain , the land use diversity index was minimum and the concentration index was maximum 北京市土地利用格局的区域差异呈现如下规律：土地利用多样性和土地利用组合类型数由近郊向远郊平原、远郊半山区依次递增；土地利用的集中程度则刚好相反；远郊山区由于受大环境背景山地控制，土地利用多样性在各区中是最小的，而集中程度则是最大的。
The research demonstrates that : the division of regional land - use structure can be revealed well by the above - mentioned method , and those results can show the regional structural differences of natural condition , natural resources and socio - economical development in the study area ; the regional change of land - use structure in the study area saw the following regular patterns : the structural diversity and composed types of land - use decrease by degrees from plain area to gully and hilly area , from nearby suburbs to far suburbs , but the centrality of land - use structure is on the contrary , and composed types of land - use are related with the features of regional economical activities ; the regional differences of land - use structure in the study area are influenced strongly by the geographical factors , such as , geomorphologic situation , location advantage , level of economical development and other factors . etc 结果表明：此方法能够很好地揭示区域土地利用结构的地域分异，其结果能在一定程度上反映研究区自然条件、自然资源和社会经济发展地域结构的差异；研究区土地利用结构的区域变化呈以下规律：土地利用结构的多样性和土地利用组合类型数由塬区沟壑区丘陵区、城镇近郊远郊依次递减，土地利用结构的集中度则刚好相反，土地利用的组合类型与区域的经济活动特点相关等；研究区土地利用结构区域差异主要受地理位置、地貌状况、区位条件、经济发展水平等因素的强烈影响。
