soil erosion by water的意思|示意

Desertification is accomplished primarily through the loss of stabilizing natural vegetation and the subsequent accelerated erosion of the soil by wind and water.

起到稳定作用的自然植被不断减少，随后土壤受风雨的侵蚀加速，就成为了沙漠化的主要成因。

Adds water the resources to be day by day scarce and the soil erosion day by day serious stern form underestimate and so on.

对水资源日趋紧缺和水土流失日趋严重的严峻形式估计不足等。

Soil erosion by water is serious.

水土流失严重；

The paper analyses the stress faced by the ecological system of Feiketu river basin due to project construction, vegetation damage, soil erosion, water pollution and overburden water use.

文章分析了蜚克图河流域工程建设、林草植被破坏、 土壤侵蚀、 水质污染、超负荷用水等使流域生态系统面临的威胁。

By 2008 key water and soil erosion control projects had covered a total area of 260000 sq km with 70 percent of such areas put under control and a silt reduction rate of 40% or more.

截至2008年，重点防治工程共治理水土流失面积26万平方公里，已实施重点区域治理的水土流失治理程度达到70%，减沙率达40%以上。

It is proved by practice and tests that crystallizable erosion of concrete by sulfates in water and soil is one of the most serious ones influenced by macroclimate.

水、土中硫酸盐对混凝土结晶腐蚀，经工程实践和实验研究证明是受宏观气候影响最大的一类腐蚀。