第二个问题，尼罗河流域国家间关于水资源使用问题的分歧加大，已影响到地区稳定。
Secondly, the increasing disputes among Nile River countries over water resources have affected regional stability.
使用GIS技术和景观结构分析软件FRAGSTATS，分析了黑河流域中游地区近2 0年间景观结构的变化。
Using GIS and a landscape structure analysis program FRAGSTATS, this paper dealt with the landscape change in the middle Heihe River Basin during the past 20 years.
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