城市

In this section, applying the method, from abstract to specific and from history to present, it analyzes the operation mechanism of urbanization economy affected by market mechanism; puts forward four theories of urbanization economy from economic perspective, including agriculture surplus and comparison advantage; non-agricultural industry; agglomeration economy and spillover effect, on this basis of the theories, it, on one hand, analyzes two kinds of internal mechanism in the chronologic operation of urbanization economies: increasing mechanism of urbanization economies in urban output industry; and changing mechanism from specialization to integration, which are the representations of the evolution of "mart" development; on the other hand, it analyzes two internal mechanism of dimensional operation of urbanization economy: internal spatial enlargement mechanism of urbanization economies from monocentric city to multi-center city, and external spatial enhancement mechanism which represents city-regionalization and city-chain connection, the later two mechanism represent the evolution of "polis" development.

这一部分，按照由抽象到具体和由历史到现代的研究方法，分析了市场机制作用下的城市化经济运行机理，从经济学角度提出了农业剩余与比较优势、非农产业、聚集经济、外溢效应四大城市化经济定理；在此基础上，一方面分析了城市化经济运行沿时间增长的两个内在内容提要机制：城市输出产业的城市化经济增长机制和从专业化到综合化的城市性质变迁机制，它们主要表现为&市&发展的延续；另一方面分析了城市化经济运行沿空间增长的两个内在机制：从单中心到多中心的城市化经济运行的内部空间扩展机理和表现为城市区域化、城市连绵体的城市化经济运行的外部空间扩展机理，它们主要表现为&城&发展的延续。

In all of the municipal public utilities, the waste water treatment industry got started late in our country. The development of the waste water treatment industrial is far away behind the economy development and the citified course .At present ,the capacity of the waste water treatment can not meet the needs of the sustainable development of economy and society and city resident life.

在城市市政公用事业的发展中，污水处理在我国起步较晚，其发展远远滞后于我国的经济发展和城市化进程，目前的污水处理能力既不能满足经济，社会可持续发展的要求，也不能满足城市居民的现时生活需求，加快城市污水处理企业的改革与发展是当前城市市政公用事业的一项重要的工作。

As the unusual ultra big city of China and municipality directly under the Central Government at present, Tianjin in history is the ordinary city which rises later in ancient China , it is a economic key city that emerges rapidly since modern times and an opened port city coastally.

作为当前中国非同一般的超大城市和直辖市，历史上的天津是古代中国兴起较晚的普通城市，是近代以来迅速崛起的经济中心城市和沿海开埠城市。

Secondly, the method of hierarchical classification was adopted to divide 282 cities into 3 kinds, the first was mainly capital cities and vice-province cities; the second was mostly eastern coastal cities and some middle cities; the third was western cities and part of middle cities. Thirdly, principle component analysis was taken to get the numbers of principle component, dedicative ratios of each principle component, and indicator values of each kind of cities, then, the differences of numbers of principle component, dedicative ratios of each principle component, and indicator values of each kind was investigated.

然后采用层次聚类分析的方法将282个地级城市分成了3类，采用主成分分析的方法分别对每一类型城市进行分析，得出每类型城市主成分的组数、每组主成分的贡献率及指标的因子值，分析了各类型城市主成分及指标因子值的差异。

In addition, financial support cannot ensure the preservation of cultural traditions and it needs the whole nation's consciousness. What's more, not all traditions are needed to be reserved; people should distinct essential from draffy.

一个国家的文化传统不一定主要保存在主要城市，在大城市可能有很多的博物馆，古迹等等，比如古代的皇宫，但是文化传统还包括流传的思想、风俗等等，这些可能在一些次要城市或者农村能够更好的保存，因为大城市受到全球化的影响。

On the detailed analysis of the 2nd chapter, and curving the difference of conditions and developing phase of RBC, I find the duple dynamics and duple mechanism of Chinese RBC, then have two phasical model: base model and structure shifting model.

为此，本文通过对上一部分资源型城市发展特征研究成果的详细分析，并对比国内外资源型城市演化过程和条件的差异，提出了中国资源型城市发展的双重动力和双重机制，并在此基础上概括了中国资源型城市发展演化的两种阶段性模式：基地模式和转型模式。

The A Xiang after abdication is faineant, an accidental opportunity vended empty glove through the classmate's relation, managed a bit fund, begin to immerse oneself in the Internet item that makes him then, his discovery is aimed at market of Yang Ling this locality, especially recreation lives kind, the website that is aimed at undergraduate of Yang Ling place especially is returned, then, he prepared to construct Yang Ling city connects a network, a collect hits communication of the member that fold news peace conference to live at the recreation of an organic whole kind of website, he still made a city know member card, oneself a person begins to begin to sell in ave lane of Yang Ling, with the businessman the negotiation cooperates, although initial stage is very much,the person does not approbate this his website, but, a Xiang relies on him hold to and try hard, technology of collect of a person, beauty is made up, sale, business affairs cooperates at a suit, the operation that makes Yang Ling city connects a network eventually was on the right path, yang Ling city connects a network the member of this website also expands with each passing day, become build Yang Ling between local businessman and consumer a ligament, a Xiang also carries businessman ad eventually, the member collects fees the road that waited for mode to be on gain, from a first month hundreds of yuan, go to thousands of yuan again, the scale that reachs ten yuan one year of present again, be less than time of two years, in the small town that A Xiang is not worth 100 thousand population this in Yang Ling, enter a when went out to belong to oneself poineering grade.

辞职之后的阿祥无所事事，偶然的一个机会通过同学的关系倒腾了一次空手套，弄出了一点资金，于是开始埋头做他的互联网项目，他发现针对杨凌本地市场，尤其是娱乐生活类的，特别是针对杨凌当地大学生的网站还没有，于是，他筹建了杨凌城市通网，一个集打折信息和会员交流于一体的娱乐生活类网站，他还制作了城市通会员卡，自己一个人开始在杨凌的大街小巷开始销售，与商家谈判合作，尽管初期很多人并不认可他的这个网站，但是，阿祥依靠自己的坚持和努力，一个人集技术、美编、销售、商务合作于一身，终于使杨凌城市通网的运营走上了正轨，杨凌城市通网这个网站的会员也日渐壮大，成为搭建杨凌当地商家和消费者之间一根纽带，阿祥也终于通过商家广告，会员收费等模式走上了盈利之路，从最初的一个月几百元，再到几千元，再到现在的一年十几万元的规模，不到两年的时间，阿祥在杨凌这个不足十万人口的小城里，闯出了属于自己的一条创业之路。

He thinks, the key that abstracts Chongqing town drive depends on deep fossorial Fang Guibao, reveal urban characteristic, show urban image, carry brace up citizen morale, sublimate gives a distinctive urban drive that attributes him Chongqing only.

他认为，提炼重庆城市精神的关键在于深掘地方瑰宝，彰显城市特点，展示城市形象，提振市民士气，升华出一份独特的只属于重庆自己的城市精神。

Through the city hydrogeological conditions and technical economic feasibility analysis that the majority of China's cities .

通过城市水文地质条件和技术经济可行性分析认为，虽然我国大部分城市缺水，但只要根据城市规划和水文地质勘查成果，合理布局，是完全必要也完全可以建立城市应急供水水源地，以应对突发事件对我们的考验。

However, a lot of problems appeared in the process of urban expansion, in particular, the inconsonant development of urban spatial structure and urban transport system troubles many big cities.

但在城市扩展过程中出现了很多问题，尤其是城市空间结构和城市交通系统的不协调发展困扰着许多大城市，如何解决二者之间的协调问题，成为近年来的一个研究热点。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。