土地利用

In this period, the rural land problem contains land assignment problem and land use problem.

该时期，农村土地问题讨论的重心主要集中于"土地分配"和"土地利用"问题。

Based on it, the rural cadastre management focuses on purpose supervision and classification management of land use.

土地详查是以查清土地利用现状、摸清家底为主要目的，基于土地详查开展的农村地籍管理是以用途管制、地类管理为重点。

Proper path are that changes the ideas, enhances the executive station; implements full vertical administration and pushes land information system.Keywords: Land Management; Magnificent Regulation; Standardization Analysis; Regulation Failure; Epigyny Function; Full Vertical Administration

正确的路径是在完善土地市场的前提下转变观念；提高土地利用规划的行政、法律地位；实施大垂直和推进土地信息化建设。

Based on the TM image of the oases in Liangzhou District and Minqin county in middle and lower reaches of Shiyang River in 1986 and 2000,this paper calculates the transformation matrix of the landscape mosaics,and analyzes the relationship between the land use changes and the dynamics of runoff and groundwater resource and their exploitation in the two oases .

根据1986年和2000年的TM影像数据，利用地理信息系统技术通过景观斑块的转移矩阵计算，分析了石羊河流域凉州区和民勤两个典型绿洲近15年来的土地利用变化；并利用不同时期中下游绿洲水资源量和开发利用程度，结合种植业结构，分析了该区域水资源利用动态变化。

Based on the analysis of regional physiographic conditions and socio-economic evolution,we pointed out that land degradation was a problem of unbalance between population press/landuse and land capacity/natural resilience.

本项目通过对区域背景和社会经济演变历史的分析，指出土地退化实际上是一个地区的人口压力和土地利用方式与这个地区的土地承载力和自然恢复能力之间的失衡所造成的必然结果。

Modern approach methods of geography, ecology, quantitative analysis, expert integration, remote sensing image analysis and geographical information system were combined to reveal the matters in this paper. The eco-geographical background of the research area and the research work studied by other scholars were comprehensively expatiated. The temporal and spatial variation of precipitation and soil moisture, vegetation and soil distribution, and land use/land cover were compared as well. On the basis of foregoing analysis, the eco-geographical differentiation was discussed. According to principles and indicators, with extension engineering method and integrated analysis, the physical geography boundary between subhumid and semiarid areas were demarcated. By using remote sensing image analysis, wavelet analysis of the perennial precipitation and temperature, and the comparison of temporal and spatial variation of the desertification, this paper accounted for the regional response to global environmental change and suggested the dominant environmental problems.

本文采用了地理学与生态学相结合、定量分析与专家集成相结合、遥感图像解译和地理信息系统相结合的方法，对研究区的生态地理背景和已有研究工作进展情况给予了全面的分析和阐述；通过对区域水分条件（大气降水、土壤水分条件）、植被、土壤、土地利用／土地覆被状况等环境要素的时间与空间特征的对比分析，探讨了研究区内部生态地理特征的差异；在一定的原则指导下，通过建立指标体系，以可拓工程方法和模型为支撑，经过综合分析确定了研究区内半湿润、半干旱区界线划分方案；通过遥感图像解译、典型站点多年降水与温度的小波分析、土地沙漠化时空变化的对比分析等，说明了研究区域对全球变化的响应；表明了该区域所面临的主要环境问题。

The sixth part: Studies on the dynamic changes of soil retention function value of ecosystem in YUYANG District. Utilized ERDAS8. 5 to interpret the remote sensing image and get LUCC data and vegetation information of YUYANG District. Utilized R2V5. 5 to digitize administrative map, topographic map, vegetation picture, soil distribution map and meteorological website map. Utilized ARCINFOR8. 3 to change every digitization layer to the same projection, to generate Tyson polygon, to structure DEM and do vector polygon overlay. Utilized ARC VIE W3. 3 to obtain the grid data topographic slope and slope length from DEM data of YUYANG District, and then, turned every coverage layer into grid layer and do grid polygon overlay to gain data about dynamic changes of value of soil retention of ecosystem in YUYANG District, at last, the author analyzed the features of the spatial-temporal changes and its reason.The seventh part: Studies on the dynamic changes of fixing drifting sand against wind function value of ecosystem in YUYANG District.

第六部分：榆阳区生态系统土壤保持功能价值动态变化研究；利用ERDAS8.5对遥感数据进行解译获得榆阳区土地利用数据和植被信息，利用R2V5.5数字化榆阳区政区图、地形图、植被图、土壤分布图及气象站点分布图，利用ARCINFOR8.3对各数字化图层进行投影转换、泰森多边形生成、DEM构建和叠加分析，利用ARCVIEW3.3从DEM数据中获取榆阳区的坡度、坡长面域数据，并将上述各图层格网化，然后通过栅格图层叠加分析和代数运算获取榆阳区生态系统土壤保持功能物质量和价值量时空动态变化数据，最后分析了其变化的时空特点及形成原因。

The geology-economy evaluation of urban land is a new concept which is put forward on the basis of the inharmonic contradictionbetween land use and geologic environment and problems neglecting thefactors of geological environment in working out land prices.

城市土地地质经济评价是根据城市建设中存在着土地利用与地质环境不协调的矛盾，以及制定土地价格时忽略地质环境因素而提出的新概念。

Owing to the aerial photograph has higher spatial resolution than other image data, and in different land use type has diverse image characteristic presenting, it is suitable for land use change detection tools.

航空照片属於高解析度的影像资料，其在不同的土地利用型态上会有不同的影像性质，故常被应用於土地利用变迁监测之工具。

Based on GIS, temporal and spatial variation of land utilization in wind-water erosion cross region of northern Shaanxi from 1986 to 1997 was analyzed.

：在GIS技术支持下，分析陕北水蚀风蚀交错带1986-1997年土地利用时空变化，并运用马尔可夫模型对未来土地利用进行预测。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。