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 surfacedeterioration 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。
2
Using scanning electron microscope observation comparison carbonization boride cermet processing surface elastic performance and processing surfacedeterioration 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。
3
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.