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中文摘要：
本文通过对影像特征的荒漠化解译，监测荒漠化土地面积和荒漠化程度，分析探讨1989年至2009年中亚地区荒漠化的变化趋势。结果表明本文所采用的监测方法，具有一定可靠性和实用性，能够对中亚地区进行快速地荒漠化的宏观实时监测。
英文摘要：
With interpreting image features, monitoring on land area of desertification and desertification degree was completed in the paper. On the basis, the authors analyzed the change trend of desertification in central Asia from 1989 to 2009. The results showed that the method used in the paper had an appropriate reliability and practicality, which could be utilized to monitor the dynamic change of desertification fast in a large scale.
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