可持续的

The paper gets scores of each index by the Analytic Hierarchy Process and calculates En, Ec and Sc of Chengdu from 1995-2003, by add-weigh model.

为了更好的评估成都市经济、社会、环境的可持续发展，构建了城市可持续发展综合评价模型，提出了水平指数、持续指数、协调指数。

There are two absolute converse attitudes about sustained development of social economic among the classis economist, one is Adam Smith as the delegation of pessimist, the other is Malthus as the delegation of pessimist. Marx and Engles developed the continuous development by summarizing others' thinking, but the next economists discarded the theory of Marx after October Liberation in Russia and Chinese Liberation got success. Serious fact tells us: Political economics can't discard the concept of sustained development which the basic theory in political economics.

古典经济学家对社会经济的可持续性问题存在着两种截然不同的看法，一种是以亚当斯密为代表的乐观派，一种是以马尔萨斯为代表的悲观派；马克思、恩格斯在总结前人思想的基础上，发展了可持续发展思想；但是，苏联十月革命胜利和中国革命胜利后的政治经济学却舍弃了马克思恩格斯的这些思想；严酷的现实告诉我们，政治经济学不能抛弃可持续发展观念，可持续发展应当是政治经济学的一个基本思想。

Therefore, it has a highly important significance to carry out theoretical and practical research on comprehensive evaluation of county sustainable development.This paper analyses the internal and international research on the history and actuality of comprehensive evaluation of regional sustainable development, and summarized its theory and methods, then investigates it gropingly.

本文在分析了国内外区域可持续发展综合评价的研究历史和现状的基础上，对区域可持续发展综合评价的理论与方法进行了比较系统的总结和探索性的研究，结合县域的特点，建立县域可持续发展综合评价指标体系。

This text takes theory and practice unification as the guiding ideology, uses the knowledge and method of scientific and technological philosophy, agro ecology and iconology, etc. has elaborated the connotation, basic theory and principle, characteristics and benefits of Chinese ecological agriculture emphatically, proved the dialectical relations between Chinese ecological agriculture and agriculture sustainable development, expounded the intrinsic unity and interaction; Finally, under the guidance of theory of agriculture sustainable development strategy, integrate with practice, put forward some suggestions from thought aspect, policy aspect, technological aspect and information aspect to develop Chinese ecological agriculture and impel the agriculture of our country sustainable development.

本文以理论与实践统一为指针和思维导向，运用科技哲学、农业生态学和生态经济学等有关学科的知识和方法，着重阐述中国生态农业的内涵、基本原理、特点和取得的效益，论证中国生态农业与农业可持续发展的辩证关系，阐明二者的内在统一性和相互影响、相互作用；最后，在农业可持续发展思想的理论指导下，联系实际，从思想层面、政策层面、技术层面以及信息层面上提出了中国生态农业发展的对策建议，以推进我国农业可持续发展。

Through the economic analysis of natural resource utilization,it is believed that market is effective to solve the problem of natural resourcesustainable utilization within a generation, but it is null for the problem ofnatural resource sustainable intergeneration utilization.

首先，通过对不可再生资源和可再生资源持续利用问题的经济分析，认为市场在解决自然资源的代内持续利用问题时是有效的，但是对于解决跨代问题，尤其是可持续发展所要求的久远时限内的自然资源的持续利用问题，却是无效的。

The paper also has discussed how to realize sustainable economy growth and sustainable social development under the condition of sustainable utilization of energy, and has made a concrete analysis of the "learning by doing" economy growth model under the restraint of energy condition.

建立了能源利用的动态变化方程，在经济增长模型中引入能源约束，讨论如何在保证能源可持续利用的条件下，实现经济的可持续增长及社会的可持续发展。

According to calculation of obstacle degree, the obstacle factor of sustainable land use was analyzed in detail. The factors such as per capita agricultural gross output value, per unit area yield of grain, reed land rate, agricultural land rate and degree of townish are the main obstacle factor ofKey words: land use; sustainability; obstacle degree; The Yellow River Delta

研究结果表明：在34个因子中人均农业总产值、粮食单产、芦苇地占地率、农业用地率、城镇化水平是黄河三角洲可持续土地利用的主要障碍因素，其中芦苇地占地率在1996年以后始终是第一障碍因素，而人均农业总产值的限制主要出现在1998年之前，之后对可持续土地利用未构成障碍；粮食单产和农业用地率的影响主要出现在1996年以后；林草覆盖率、公顷耕地农机总动力和农村电气化水平在一半以上的年份对可持续土地利用构成障碍；在1994年之前，农民人均收入障碍度较大，是主要的障碍因素。

The notion will be the aim and guiding thought of the future legislation, and the current rules and laws will be reappraised and revised for the environment preservation and sustainable development in all law branches.

今后，所有的立法均应把&保障可持续发展&作为立法的宗旨和指导思想，同时要按可持续发展的要求对现行法律法规进行重新评价和修改，将生态保护要求和可持续发展的思想融入各个法律部门之中。

Nowadays under the situation of economic globalization progress acceleration and international competition increasingly sharping, changing the growth method and pursuing sustainable development is becoming a world current.

在当今经济全球化进程加速，国际竞争日益尖锐的形势下，转变增长方式，追求可持续发展正成为世界的潮流，正确评价各地区人口、资源、环境的相互协调程度和可持续发展能力，对制定和实施可持续发展战略具有十分重要的意义。

Sustainable development is the direction and the inevitable choice of human society development.Human is the executants of Sustainable development.The formulation, implementation,adjustment and evaluation of sustainable development strategy are dependent on human subjective initiative.

可持续发展是人类社会发展的方向和必然选择，人类是可持续发展战略的实施主体，可持续发展战略的制定、实施、调整、评价等方面均依赖于人类主观能动性的发挥。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。