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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。

This paper analyzes current land use characteristics of Wuxi URIA. Meanwhile, based on satellite imageries, this paper extracts URIA land use information of 1984 and 2001 to analyze land-use structure. Moreover, using primary factors affecting land use in URIA, this paper builds a regression equation to predict the changes of urban built-up area and cropland within ten years of Wuxi.

本文分析了近年来无锡市城乡结合部的土地利用特点；同时基于遥感数据源，提取出1984和2001年无锡市城乡结合部的土地利用信息进行土地利用结构分析；并且利用驱动城乡结合部土地利用变化的主要因子建立多元回归模型，预测10年内无锡市建成区与耕地面积的变化趋势。

All those questions showed the contents of land contract right still not completed and systematized, and contracted land market scheme lacked validness and standardization, the value and the price of land use right were devoid of measure and assessment criterion, also some agencies for realizable land turnover developed lag.

因此该文认为政府在当前土地使用制度创新中充当着重要角色，应担当起弥补制度供给不足缺陷的责任。

Through consolidating the lands rationally and scientifically, the effective areas of cultivated lands can be obviously increased, and the qualities of the lands can be improved. The method can accelerate the land use at the level of intensivism, and realize the dynamic equilibrium of total cultivated land at last. Simultaneously, the method also can relieve the contradictions between people and lands, and improve the conditions of agricultural production and ecological environment. It can ensure the sustainable use of land recourses and make a full satisfaction for the demanding of land recourses on the social and economic development

同时对我国当前农村土地开发整理的模式进行了论证，通过对土地科学合理的整理，不但能增加有效耕地面积，提高土地质量，促进土地集约利用，实现耕地总量动态平衡，同时还可以缓解人地矛盾，改善农业生产条件与生态环境，保证土地资源的持续利用，满足社会经济发展对土地资源的需求。

However our country city land tenancy system still was at the initial stage, therefore this articling the elaboration land tenancy system elementary theory relations foundation, take the Xian fan city land tenancy development situations the example showed the state-owned land rented the existence the universal question.

然而我国城市土地租赁制尚处于初级阶段，因此本文在阐述土地租赁制的基本理论关系的基础上，以南通市土地租赁发展情况为例说明国有土地租赁存在的普遍问题。

To establish of the funds for rural land circulation of carbon loss and the rural land use right transfer which is helpful with aviating and adapting to the climate changes in China rural areas. To explore how to increase the number of land-based activities, in particular, the activities of reducing deforestationand degradation, restoration of agricultural land and soil carbon sequestration, agroforestry and soil conservation so as to increase the financial compensation for property losses of farmers.

建立中国农村土地流转碳流失基金，建立有利于农村地区减缓和适应气候变化的农村土地使用权流转，探寻如何通过在2012年以后的气候减缓和适应机制的范围内，增加一系列基于土地的活动，尤其是减少森林砍伐和退化、农业土地恢复与土壤碳隔离、农林兼作和水土保持措施，增加农民财产损失资金补偿。

Then it studies the facts of land price, the reasons for land price catabolized in our country and the influence of land price policy on the urban land-use.In the part3, the empirical study is given.

接着基于上一部分的理论分析框架，以南京市土地一、二级市场数据、批次征地数据、土地集约利用数据、出让土地容积率数据、出让土地布局结构数据等为基础，实证分析南京市地价对城市开发、供应、集约和结构布局影响。

City management should not be considered simply as land management, which is the production of citifying at a certain extent; and land management is not either unilaterally supplying more land, earning money form land, even not building houses out of control, investing symbol projects, or repeated things.

经营城市作为城市化发展到一定阶段的产物，并不能简单地被看作是经营土地；而经营土地也不是片面地扩大土地供应、以地生财，更不是不受节制地搞房地产、&形象工程&和重复建设。

Using the relationship between land ecologic suitability and eco-environmental sensitivity and the result of eco-environmental sensitivity assessment, compartmentalizes 6 land ecologic districts by suitability, and discusses the measures of ecologic exploitation. It realizes the coordination between land-use and ecologic environment building, and provides the scientific eco-basis to the EIA of land use planning.

利用土地生态适宜性与生态环境敏感性的关联关系和生态环境敏感性评价的结果，将安阳市划分为了6个土地生态适宜利用类型区，提出了相应的土地生态开发建议性措施，协调了土地利用与生态环境建设的关系，为规划环评过程中对土地利用方式和空间布局的评价提供了科学的生态适宜性依据。

The third factor is in the supervision of land fund, including (1) selling land illegally and running into debt by over spending "the second finance" derived from the money by selling land illegally;(2) that the towns' government deliberately engrosses the rural collective compensation funds without timely land compensation funds.

三是土地资金管理方面包括（1）违规出让土地，将土地出让金作为&第二财政&超范围列支形成负债；（2）土地补偿资金不到位，乡镇政府随意占用农村集体补偿资金。

Nowadays, most of research are to build a transmutative Petri Nets through adding controlling place sets, controlling arc sets and controlling policy to the basic Petri Nets, while the Controlled Petri Nets could be used to argue many controlling theory problems conveniently and to induce many logically and physically supervisory and solve the Event Feedback Controlling Problems and State Feedback Controlling Problem in DEDS supervisory theory.

目前大多数的研究表现为在变形后的受控Petri网基础上，利用各种方法求得各种逻辑型、结构型控制器，解决DEDS监控理论中的事件反馈控制问题与状态反馈控制问题。

On one hand, there are discussions with the works council and union about extension of short time working up to the end of September.

一方面，有讨论，工程理事会和联盟关于延长工作时间短至9月底。