The gradual drying of the soil caused by its diminished ability to absorb water results in the further loss of vegetation, so that a cycle of progressive surface deterioration is established.
土壤吸收水分的能力减弱使土壤逐渐变得干燥，导致植被进一步减少，从而建立了一个渐进的地表退化循环。
Using scanning electron microscope observation comparison carbonization boride cermet processing surface elastic performance and processing surface deterioration level.
利用扫描电镜观察、比较碳化硼陶瓷加工表面弹性性能及加工表面变质层。
The Nanning Urban Environment Project will assist Nanning Municipality in Guangxi Zhuang Autonomous Region to stop the deterioration of surface water quality in selected urban centers.
南宁城市环境项目将协助广西壮族自治区南宁市遏止部分中心城区地表水质进一步恶化趋势。
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