The Urban Primary Study On System And Internal Space Structure Of The Pingliang Area In Ming And Qing Dynasties

After the industry revolutionary ,urban become important in countries and areas.with the development of industry. At the same time ,Urban population become more and more, So urban problem including urban construction s urban economy, urban culture , urbanization and so on, lead to people's attention .After 1980's urban research are popular in china ,these research are focus on Southeast china, and have got abundant achievements while the urban research in the northeast loess plateau area are week comparatively ,Northeast lie in inland of our country,.Its land form is relatively fragile ,its urbanization degree is low , furthermore the social and economical development level of this area is comparatively backward.Pingliang area of Gansu province lies in east of Gansu provine, Excepting all disadvantage of the northeast loess plateau, The pingliang area is poor. And backward in Gansu province. Presently ,the urbanization degree of this area is low and haven't formed complete urban network system .furthermore ,urban special model isn't reasonable; envirmental problem is serious during the urbanization,which not only is a key of regional economy .besides, Rencent historical urban geography research consider a little about this areaxonsidering above matters, I choose Pingliang area as my research object.Time is Ming and Qing dynadty.Because urban development have continuity and succession, summarize the successes and failures in Pingliang area in history .I hope what my outcome can provide reference and lesson for pingliangs urban construction.My article is divided into five parts:the first part is preface ,It including meaning , contents, and ways.In addition,In preface,I have made the geographical range of the urban what I research .The second part: describe natural and civil foundtion of urban development in this area,Such as ,traffic condition agriculture , water, weather condition , mineral resources.The third part: summarize urban distribution character, change laws and alanyze its causes ,at the base of recover urban system, urban scale .In order to learn about urban development and change from outsideThe forth part: researchs chiefly the urban charater and laws of structure, configuration. Based on these, I continue to research what's the reason that cause...