Based on the principles of landscape ecology, supported by 3s technology, the landscape pattern of land utilization in Qichun County is quantitatively analyzed in this paper.
依据景观生态学原理，采用3s技术，对蕲春县土地利用景观格局进行定量的分析研究。
Based on interferometry measurement theory of satellite carrier phase, the technology of land vehicle heading determination through Beidou Bi-Satellite System was studied.
基于卫星载波相位干涉测量原理，研究了利用北斗双星系统确定车辆航向的相关技术。
Based on GIS technology, agricultural land gradation was studied applying factor method and modifying method in the centre of Leshan City, Sichuan Province.
以GIS为平台，采用修正法和因素法相结合，对乐山市中区农用地定级进行了研究。
Soil unit map, climate zones and land unit map of Pujiang were produced using GIS technology and expert knowledge, based the data collected.
通过对有关数据进行分析、整理，充分吸纳相关专家知识后，运用GIS技术建立浦江县土壤单元图、气候分区图和土地单元图。
Therefore, researches on land use change detection methods based on Remote Sensing technology are important aspects of Remote Sensing applicable research.
因此，基于遥感技术的土地利用变化检测方法研究，一直是遥感应用研究的重要方面。
The system based on land grading and evaluation overcomes the shortcomings of traditional evaluation system by using the technology of GIS.
运用先进的GIS技术，以土地定级估价的基础数据库为依托，开发了基于土地定级估价信息的宗地估价系统。
Data processing, results interpretation and problems of variation in land use types of the Sanjiangyuan national nature reserve based on 3s technology were introduced.
基于3s技术，介绍了三江源自然保护区土地利用方式变化的数据处理方法、解译结果及出现的问题。
So writers analyzed applied economical profit based on the feature of dry land husbandry and water storage for preserving humidity technology.
为此，根据早地耕作蓄水保墒技术的特点，对其应用的经济效益进行了分析。
Finally, the problems faced in the research of the land surface evapotranspiration based on the remote sensing technology and its future development trends were analyzed.
分析了目前遥感蒸散研究所面临的问题和发展趋势。
Finally, the problems faced in the research of the land surface evapotranspiration based on the remote sensing technology and its future development trends were analyzed.
分析了目前遥感蒸散研究所面临的问题和发展趋势。
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