土地利用

The research shows that:①The land use/cover of Asia at the ecological security level takes on a macroscopical three-circle pattern.

研究表明：①亚洲生态安全条件下的土地利用/覆盖宏观三圈格局为：内圈以自然保护为主的沙漠地带；中圈以建设人工草地为主，辅以大面积自然恢复的草原地带；外圈以农、林、牧复合为主的交错地带。

The farmland stock cooperation system was a land utilization way which took the farmland as the capital and invested into stock type cooperative farming economical organization and executed cooperative production and management, it was the farmland utility right transaction way which was established on the basic of family contract-management.

农地股份合作制是把农地作为资本投入股份式合作农业经济组织进行合作生产经营的土地利用方式，是建立在家庭联产承包基础上的农地使用权流转方式。

In recent years, small and medium-sized city's land use and property what kind of prosperity associated with?

近年来，小型和中型城市的土地利用和财产什么样的繁荣与？

Farmland protect-system project can protect the farmland from natural disaster and ensure that the land use safe,this paper makes a optimized design on Farmland protect-system,which including choise of the tree breed,the structure and the wide of the shelter belt,and so on.

农田防护工程是为保护整理区土地利用活动的安全以及免受自然灾害危害而建设的农田防护工程，本论文主要从树种的选择，林带的结构，林带的间距等方面对农田防护林体系作一优化设计。

Karst land use system in Du'an was sensitive to precipitation, lithology, soil, physiognomy, sea level and slope.

4都安喀斯特土地利用系统对降雨量、岩性、土壤、地貌、海拔高度和坡度等因素的影响均表现出明显的敏感性。

The land coverage was grouped into six types: water body , lake beach vegetation ,flood plain

系统的结构，而土地利用类型是

The researches on land use and driving forces is the frontier of geo-science, and it mainly studies the effect and action of natural driving forces and human driving forces on the change of earth system, and it is important content of the research area of contemporary international earth science and earth surface system.

土地利用变化与驱动力研究是地学研究的前沿问题，主要研究自然驱动力与人力驱动力对地球系统变化的影响和作用，是当代国际地球科学，尤其是地球表层系统研究领域的重要内容。

Human factors are paid more attention by the academicians with more deeply insight of land use.

随着对土地利用变化研究的深入，人文因素的影响引起人们的普遍重视。

Results showed that heavy metals were anthropogenically accumulated in the urban soils to a different extent,about 8.5%,1.2%,3.6%,11.0% and 30.3% of the soil samples had Cd,Cr,Cu,Pb,and Zn concentration...

城市土壤中Cd、Co、Cr和Ni主要以残余态占优势，Cu、Pb和Zn主要以可提取态为主，土地利用方式对土壤重金属形态也有一定的影响。

The main conversion of land use include four types: paddy field converted to builtup areas and water, the area of forest transformed to builtup areas and dry land area converted to construction land.

土地利用的主要转化方式有水田转化为建设用地、水田转化为水域、林地转化为建设用地以及旱地转化为建设用地。

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。