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在1990年土地详查基础上，以1：5万TM影像为研究的基本信息源，应用遥感解译原理与方法，通过确定上地利用现状分类系统、建立解译标志、进行编图和面积量算及结果分析等工作，对横县上地资源利用现状进行了调查与调整；并就上地利用中存在的问题提出了应采取的对策。
Based on the detailed land survey in 1990 and the basic information source of 1: 500 000 TM images, the principle and method of remote sensing interpretation were applied. By identifying the status quo classification system, establishing interpreting marks, compiling maps and area Measurement and analysis of results and other work on the use of resources in Hengxian County to investigate and adjust the status quo; and on the use of the existing problems that should be taken countermeasures.