"3S" technology as the representative of the modem mapping technology,is a means of surveying and mapping science from theory, to revolutionaly changes have taken place. Described the latest developments in Globe Position System(GPS), Remote Sensing(RS) a%以“3S”技术为代表的现代测绘技术,使测绘科学从理论到手段均发生了革命性的变化。结合“3S”的最新发展.介绍了全球定位系统(GPS)、遥感技术(RS)和地理信息系统(GIS)在土地利用变化研究中的应用现状。
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