From this model , it is obvious that the center is appropriate location of region key city in close condition and appropriate location of region key city in exoteric condition laies aboard the leading intercourse direction 从模型中可以看出，在封闭条件下区域中心城市适宜区位趋于区域的地理中心，而在开放条件下区域中心城市适宜区位趋于主导联系方向。
Priorities are to complete the sofitel network in major international cities , continue rolling out the mercure and novotel brands in major regional centers , gain economy hotel market share worldwide , and establish a firm footing in asia 优先完成索菲特在国际化大城市中的网络建设，在区域中心继续扩展美居和诺富特品牌，立足于亚洲赢得世界范围的经济型饭店市场。
Based on it , by making a concise comparison and analysis of the theory and practice for the development of small towns outside yunnan province , this paper brings forward the integrated development thoughts of rural center in yunnan which adapt to countryside - urbanization 在此基础上，通过与发达地区小城镇发展的理论与实践进行简要对比分析，提出了适应当前乡村城市化趋势的云南乡村区域中心整体发展设想。
In addition , this paper carries out some further discussion on the theories on the essence , participants , mechanism and the course of rural center ' s formation and development and brings several suggestions to accelerate the formation and development of rural center in yunnan province 此外，本文还对云南乡村区域中心形成发展的实质、主体、机制、过程等理论进行了探讨，进而提出加快云南乡村区域中心形成发展的几点建议。
In the light of experience from cashl preferential month service , this article analyzes these service measures and benefit , summarizes some experiences and suggests some countermeasures to build and develop regional humanities and social science document delivery service net 摘要本文根据华中区域中心cashl优惠月服务情况，分析了优惠月的服务措施和效益，总结优惠月的服务体会，提出建设和发展区域性人文社会科学文献传递服务网的发展对策。
Beginning with the analysis and recognization on the problems of economy , society and physical environment in the current development course of rural region in yunnan province , this paper points out the pattern of rural center and expounds it ' s theoretical foundation and realistic significance 本文从对当前云南乡村区域发展中主要经济、社会和物质环境问题的分析和认识入手，提出“乡村区域中心”这一发展模式，阐述其理论和现实意义。
Furthermore , linking with the factual features of yunnan , the paper puts an emphasis upon the researsh on the economic sustaining model of rural center development and brings forward the diversified economic sustaining model . moreover , by researching the features of different tapes of rural center and doing some positive analyses on the typical small towns , it provides some references and instructions for the formation and development of rural center in yunnan province 进一步结合云南乡村特点，着重研究乡村区域中心发展的经济支撑模式，提出多元化经济支撑模式；针对不同类型乡村区域中心的发展特点和一些典型实证做出了相应探索，为云南省乡村区域中心的形成与发展提供了一定参考和指导。
The hexi corridor one about 1000 - km - long , wide kilometer of kilometer of stripses only , lanzhou regional economy it encloses to be function very weak to radiation of area this , belong to the corridor space passed by to whole external environment condition , there is relative independent character in economic development 河西走廊是一条长约1000公里，宽仅几公里至百余公里的狭长地带，以兰州为区域中心的经济圈对它的辐射作用较弱，对整体外部环境来说属于路过的走廊空间，经济发展具有相对的独立性。
