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gis
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  地理信息系统
    Numerical Analysis of Soil Erosion in Mountain Area Using Remote Sensing and GIS
    基于遥感和地理信息系统(GIS)的山区土壤侵蚀强度数值分析
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    The Application of GIS on Field Fertility Map
    地理信息系统在生成田间肥力分布图上的应用
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    Design and Development of the Urban Soil Erosion GIS
    城市水土流失地理信息系统设计与开发
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    Application of GIS to Variable Rate Fertilization in Precision Agriculture
    地理信息系统在精确农业变量施肥中的应用
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    Review of Progresses in Application of GIS to The Research of Soil Erosion
    地理信息系统(GIS)在土壤侵蚀研究中的应用
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  地理信息系统(gis)
    Numerical Analysis of Soil Erosion in Mountain Area Using Remote Sensing and GIS
    基于遥感和地理信息系统(GIS)的山区土壤侵蚀强度数值分析
短句来源
    Review of Progresses in Application of GIS to The Research of Soil Erosion
    地理信息系统(GIS)在土壤侵蚀研究中的应用
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    This paper discusses the techniques and methods regarding dynamic monitoringland use/cover change (LUCC) based on remote sensing (RS) and geographical informationsystem (GIS).
    本文利用石河子垦区 1998 年和 2002 年两期陆地资源卫星 Landsat TM 数据,采用遥感(RS)和地理信息系统(GIS )相结合的技术方法,进行了该区土地利用/土地覆被变化(LUCC)的动态监测和分析研究。
短句来源
    Supported by GIS and digital model, ArcInfo was adopted for spatial data collection,processing and analysis, with Chongqing Municipality as an example.
    以重庆市为例,在地理信息系统(GIS)技术和数学模型支持下,应用ARCINFO进行了空间数据的采取、处理和分析。
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    It can realize remote sensing monitoring of regional soil loss by taking USLE as a platform through using the technology of remote sensing and GIS.
    结合遥感与地理信息系统(GIS)技术,可以实现以USLE为平台的区域土壤流失遥感监测。
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  地理信息系统(gis)
    Geographical Information System (GIS), asajumped-up new technology, has the functions of data collecting,storing andmanaging, spatial analyzing, dynamic forecasting, decision-makingandsupporting. GJS has been widely applied and made great progressin many fields,such as resources management, urban programming, land evaluation,environment monitoring and the study on regional Soil and WaterLoss.
    地理信息系统(GIS)作为新兴的高新技术,具有数据采集、存取与管理、空间分析、动态预测与决策支持功能,已被广泛地应用于资源管理、城市规划、土地评价、环境监测及区域水土流失研究等领域,并取得重大进展。
短句来源
    On the basis of the results researched before, such study selects coastal low-hilly area in zhangpu in southeast of Fujian province as its research zone, makes a low category classification of soils based upon CST and supported by GIS technique.
    本研究选取闽东南漳浦沿海低丘台地区为样区,在已有研究的基础上,以地理信息系统(GIS)为技术支撑,应用中国土壤系统分类(CST)的理论与方法进行土壤基层分类。
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    An investigatioii method forsloping land by means of geographic information system(GIS)was presented. In the course ofits application,an very good effect have been obttained.
    该文介绍一种运用地理信息系统(GIS)进行坡地调查的方法,在运用过程中取得了很好的效果。
短句来源
    Putting the image data, thematic data and ecological factor data into the DataBase, capturing the experts experience and knowledge for the KnowledgeBase, the Expert System(ES) based on Geographic Information System(GIS) and database software Foxpro was completed.
    系统基于地理信息系统(GIS)和数据库软件(Foxpro),以黄土高原为例,建立以遥感图像数据、专题地图数据和生态因子数据等为主体的数据库(DB); 获取专家经验及领域知识建立了知识库(KB);
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    GIS based soil information system(SIS)is very important for assessment of the capacity of land production, the status, rates of soil degradation and global change studies.
    地理信息系统(GIS)支持下的土壤信息系统(SIS)在评价土地生产能力、土地退化的现状、速率和风险以及全球变化研究中具有重要意义。
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  “gis”译为未确定词的双语例句
    Study on Soil Salinization in the Western Plain of Jilin Province Based on GIS
    GIS支持下的吉林西部平原土地盐碱化研究
短句来源
    The authors describe three kinds of techniques of RS,GPS and GIS respectively in the water and soil conservation dynamic monitor of application,and prospect the applied foreground of the 3S technique in dynamic monitoring conservation of the water and soil.
    分别介绍了RS、GPS和GIS三种技术在水土保持动态监测中的应用,并对3S技术在水土保持动态监测方面的应用前景进行了展望。
短句来源
    This paper briefly introduces the application of 3S(GIS,RS and GPS) technologies in the dynamic monitoring of soil erosion in the source area of the Danjiangkon reservoir.
    主要介绍了3S技术在丹江口水库水源区水土流失动态监测项目中的应用。
短句来源
    The application of RS, GIS and GPS to soil erosion fast investigation is a beneficial attempt for the application of Hi-tech to production reality, and also is a frontier for the application study of "3S" in water and soil conservation.
    应用RS、GIS、GPS进行土壤侵蚀快速调查是将高新技术应用于生产实践的有益尝试,也是“3S”技术在水土保持中应用研究的前沿.
    A Study on the Dynamic Remote Sensing of Soil Erosion in Chunhua County in View of GIS
    在GIS支持下的淳化县土壤侵蚀动态遥感研究
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  gis
With geographic information system (GIS), the ecological water requirement for forests in the Jinghe watershed, western China was estimated.
      
Employing Arc/Info GIS, the tree species diversity and rarity, disturbance degree, protection of channel system, and classification management in the Maoershan National Forest Park were described, and used as the input factors of NN.
      
Division of afforestation site type in the watershed of Wangjiagou, West Shanxi through GIS
      
The results show that we can model the spatial changes of vegetation suitability with a combination of topographic analyses based on DEM and GIS functions.
      
We also demonstrate these spatial changes on the screen using Visual Basic language and GIS functions, which will help decision makers to have a clear view of species and site suitability changes over large areas.
      
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Digital Elevation Model(DEM)is a very good tool for terrain parameters analysis.It cansimulate the topographic features and display the landform characteristics.This project use IDRISIgeographic information system(GIS)for studying soil erosion type and process in the loess hilly andgully area.Elevation contours from topographic map of the study area were digitized so as to gener-ate a Digital Elevation Model(DEM).Slope and aspect were then comptited from the DEM.Fur-ther,DEM,slope,aspect and land use map...

Digital Elevation Model(DEM)is a very good tool for terrain parameters analysis.It cansimulate the topographic features and display the landform characteristics.This project use IDRISIgeographic information system(GIS)for studying soil erosion type and process in the loess hilly andgully area.Elevation contours from topographic map of the study area were digitized so as to gener-ate a Digital Elevation Model(DEM).Slope and aspect were then comptited from the DEM.Fur-ther,DEM,slope,aspect and land use map were integrated by GIS.The vertical distribution of soilerosion type and process in loess hilly and gully area is found.

DEM是通过计算机系统产生的数字高程模型,它是进行地形分析的有力工具,它能模拟地貌形态,直观显示地貌特征和地形部位。在IDRISI地理信息系统的支持下,通过数字化地形等高线图,产生数字高程模型(DEM),并通过DEM,计算派生出坡度图和坡向图,以其作为基本图件,结合土地利用图和相关资料,用地理信息系统进行综合分析,研究黄土丘陵沟壑区的土壤侵蚀类型和过程,指出了小流域土壤侵蚀类型和过程垂直分布的规律性。

Algorithm of terrain factors of GIS pixel is

GIS像元地形因子的算法,是土壤流失量遥感监测中的关键技术。对于其算法原理、应用程序、应用结果和应用精度,本文作了介绍和讨论。经实际应用表明,GIS像元地形因子算法虽比图斑地形因子算法的运算量大和较复杂,但它有较严密可靠、较高的应用精度和较好的自动化程度。因像元坡长几乎相等而忽视或视像元坡长因子为相同的常数,都将导致流矢邑监测的重大错误。

AbstractThe paper summarizes the pr-ogress of titanium research and a-pplication on agricultural prodnct-ion, Titanium-toxicity hygiene andanalysis show that titanium canpromote plant growth,can enhanceplant physiological activities as w-ell as increasc crop yield and qu-ality.As a beneficial element,tit-anium does no harm to the envir-onment and food quality under gi-ven conditions. However, titaniumphysiological nature, effective m-echanism and application in avail-able condition should be studiedfurther....

AbstractThe paper summarizes the pr-ogress of titanium research and a-pplication on agricultural prodnct-ion, Titanium-toxicity hygiene andanalysis show that titanium canpromote plant growth,can enhanceplant physiological activities as w-ell as increasc crop yield and qu-ality.As a beneficial element,tit-anium does no harm to the envir-onment and food quality under gi-ven conditions. However, titaniumphysiological nature, effective m-echanism and application in avail-able condition should be studiedfurther.

本文根据国内外及作者的部分研究资料,对钛在土壤中的含量与植物利用,钛制剂的应用效果及其卫生毒理学研究等作一综述。认为钛作为有益元素在一定条件下可促进植物生长发育,增强植株的生理活性,提高产量和改善品质,在农业上有广阔应用前景。但钛的生物效应本质、作用机理以及应用的有效条件尚需进一步深入研究。

 
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