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gis     
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  地理信息系统
    Global satellite position system (GPS), the geographical information system (GIS) and the expert system (ES) techniques are important technique supporting digital agriculture[1,2].
    (1.吉林大学,长春130118;2.吉林农业大学,长春130118)摘要:全球卫星定位系统(DGPS)、地理信息系统(GIS)和专家系统(ES)技术是实现农业数字化的重要技术支撑[1,2]。
短句来源
    in order to realize the disconnecting distribution model of C/S development of precision agriculture GIS.
    实现C/S模式分布断开式精准农业地理信息系统的开发。
    Application of GIS to Land Multisuitability Evaluation
    地理信息系统在土地多宜性评价中的应用
短句来源
    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
    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
短句来源
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  地理信息系统(gis)
    Global satellite position system (GPS), the geographical information system (GIS) and the expert system (ES) techniques are important technique supporting digital agriculture[1,2].
    (1.吉林大学,长春130118;2.吉林农业大学,长春130118)摘要:全球卫星定位系统(DGPS)、地理信息系统(GIS)和专家系统(ES)技术是实现农业数字化的重要技术支撑[1,2]。
短句来源
    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
    The Developing Trend and Application of GIS on Agriculture
    地理信息系统(GIS)在农业上的应用及其发展趋势
短句来源
    UTILIZATION OF GIS IN AGRICULTURE IN BEIJING
    地理信息系统(GIS)在北京农业中的应用
短句来源
    Geostatistics methods and GIS were used to simulated the northern boundary of BPH overwintering sites, analyze spatial distribution of BPH disaster levels and built its dynamic model in the whole region from 1981 to 1987 in this study.
    本研究以中国南方稻区为研究区域,采用地统计学和地理信息系统(GIS)方法,通过分析1981-1987年的虫情资料,模拟出褐飞虱越冬北界,分析其灾变发生程度的空间分布状况,并建立模拟模型。
短句来源
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  gis技术
    Based on GIS technique, 38 samples of cropland soil were collected in Xingguo County, and the variable temporal and spatial characteristics of cropland soil organic carbon (SOC)were studied.
    通过GIS技术,采集38个农田土壤样品,研究了江西兴国县农田土壤有机碳变化量的空间分布特征.
短句来源
    Electromagnetic induction EM38 was applied to study the spatial variability of soil salinity at soil layers of 0-40 cm and 0-80 cm with the help of GIS and geostatistics, which was performed in characteristic field of the Yellow River Delta, and salinization classification and salinity profile distribution characteristics were further analysed.
    运用电磁感应仪EM38,结合GIS技术和地统计方法对黄河三角洲地区典型地块0~40cm与0~80cm土层含盐量的空间变异性进行研究,并对研究区盐渍化分级以及盐分剖面分布特征进行探讨.
短句来源
    This paper studies the extended urbanization of Wuxi city in the last 20 years using the method of multi-source information integration and multi-phase-successive-comparison by the technology of RS and GIS, on the basis datum of four TM images of 1984, 1995, 2000 and 2003 years.
    本文借助RS和GIS技术,利用1984、1995、2000和2003年等四期TM卫星遥感影像,采用多时相连续对比法对无锡市近20年来城镇用地扩展情况进行了分析。
    A STUDY ON RURAL AGRO-FORESTRY PLANNING USING REMOTE SENSING AND GIS TECHNOLOGY IN TROPICAL FOREST NATURE RESERVE
    应用遥感与GIS技术进行热带林保护区乡村混农林业规划
短句来源
    Application of Geographic Information System(GIS)Technology to Soil and Water Conservation in China
    GIS技术在水土保持中的应用
短句来源
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  地理信息系统(gis)
    The linkage between the soil erosion model ANSWERS and the Geographical Information system (GIS) ARC/INFO is presented.
    研究了土壤侵蚀模型ANSWERS和地理信息系统(GIS)ARC/INFO之间的连结。
短句来源
    On the basis of thermal inertia method for the data of NOAA/AVHRR, windspeed is taken into account indirectly for soil moisture estimation through calculating topographic parameters R and F with the aid of EPPL7 GIS.
    以热惯量法为基础,在地理信息系统(GIS)的支持下,通过计算地形参数R与F,间接考虑了风速对用NOAA/AVHRR资料遥感土壤水分的影响。
短句来源
    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。
短句来源
    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
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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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    The project of mapping land types in Tenpchong was supported by software- ARC/INFO.GIS mapping in Tengchong includes two main steps:First,ITUM (Integrated Terrain Unit Map)was prepared by the method of overlay of element and then with the help of computers a land type map was made up.8 first class and 62 second class were divided in Tengchong.In the last part of the article,the land characteristics in this region were discussed.

    本文利用 ARC/INFO 系统探讨了腾冲地区土地类型图编制的原则和方法,即先采用要素叠加法产生综合土地单元图,然后依赖计算机派生土地类型图,再将类型图划分为8个一级类型和62个二级类型.最后在数据分析基础上,给出了该区土地构成的基本特点.

    This paper makes a study of the distribution of the potential agricultural productivity of China with the help of geographical information system (GIS).On the basis of the researches of others, the writer chooses appropriate mathematical model and parameters, collects meteorological data of 30 years (1951-1980) and distribution data of physical and chemical characterastics and nutritions conditions of zonal soils (or large-area soils) of China, creates a data base, calculates the potential agricultural...

    This paper makes a study of the distribution of the potential agricultural productivity of China with the help of geographical information system (GIS).On the basis of the researches of others, the writer chooses appropriate mathematical model and parameters, collects meteorological data of 30 years (1951-1980) and distribution data of physical and chemical characterastics and nutritions conditions of zonal soils (or large-area soils) of China, creates a data base, calculates the potential agricultural productivity of China, and draws a series of maps. The work is with the help of ARC/INFO system, a software of GIS.This paper analyses all the factors influencing potential agricultural productivity. They are sunlight, temperature, water condition and soil condition. The soil condition is analysed by a new method that uses eight factors, namely, soil texture, pH value, nitrogen content, phosphorus content, potassium content, organic matter content, soil erosion status and soil alkalinity status, classifying each of them and giving every class a mark so as to know the soil condition of a region and to calculate its soil availability coefficient.This paper also devides the potential agricultural productivity of China into 9 classes and describes their distribution.

    本文在地理信息系统的支持下,分析了全国671个气象台站的30年地面气象资料及地带性或大面积土壤的物化性质及养分状况资料,对影响生产潜力的光、温度、水分、土壤诸要素分别进行了分析、计算,尤其对土壤要素的处理进行了新的尝试,计算了我国的农业生产潜力。

    Land patch is a agricultural-landscape unit which has relative uniform phisical and socia-economic features andutility direction. The patch-structure pattern is a historical product and represents theregional character. Land patchmap can be used as the base of thematic series mapping and GIS. In this paper, thd related topics, sudch as thd con-tents, stability, basic principles and means of land patch map are discussed, according to the results from a case studyin Changwu experimental and demonstritive...

    Land patch is a agricultural-landscape unit which has relative uniform phisical and socia-economic features andutility direction. The patch-structure pattern is a historical product and represents theregional character. Land patchmap can be used as the base of thematic series mapping and GIS. In this paper, thd related topics, sudch as thd con-tents, stability, basic principles and means of land patch map are discussed, according to the results from a case studyin Changwu experimental and demonstritive area of Loess plateau.

    该文以长武王东试验示范区为例,将地块作为地理信息系统中信息采集与存贮的基本单元,对地块的形成、分类、地块图的编制方法及与之有关的几个问题,如地块图的理论基础和实践意义、地块图的显示内容、地块图的稳定性等,进行了初步讨论。

     
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