present land-cover

基本解释

Most of the present change detection methods aim at land cover applications using low-resolution images, and generally can not meet the needs of high-precision analysis.
目前大部分变化检测研究主要集中在利用低分辨率卫星影像检测土地利用等宏观应用上，往往不能满足高精度分析的要求。
This section is meant to cover the current status and problems of land there, in the present situation, the problem in-depth analysis to propose a solution based on the recommendations.
本部分意在概括目前土地存在的现状和问题，在对现状、问题深入分析的基础上提出对策建议。