请大家帮忙翻译一下吧 （加急）

Summary : Under the current circumstances in China, urban water pollution is a serious threat to the survival of urban environment, in which sewage is the main source of urban water pollution. At present, China's largest city-to-city living have better sewage treatment system, while the larger capacity, but the basic meet environmental requirements; And urban life sewage emissions have not been able to cities compared, but their number, scattered layout, coupled with the funds, equipment and other conditions constraints, the treatment level is not high. pollution harmful relatively large direct affect local cities and the natural environment. Therefore, the need for effective economic and urban sewage treatment in order to achieve sustainable development objectives. This is the status of medium and small cities and sewage treatment done summary analysis, and integration on the basis of relevant information and made effective use of urban sewage treatment and the principles and methods. Keyword urban sewage and urban sewage treatment methods used Along with the rapid development of urbanization, urban harmony of the community will become an important component of our harmonious society. People living environment is a beautiful ecological important ecological urban construction work, "eco-community" is the creation of a major carrier. This paper examines the "ecological communities" content, reviewed the development process in recent years ecological communities, can be made through environmental design and ecological communities outdoor "eco-communities" to establish procedures for the design and management of residential areas to promote the establishment of ecological, deepening environmental community building work model, people living environment is beautiful ecological building effective way.
Key word; ecological community environmental planning design environmental planning