And they protect against soil erosion by holding moisture in the ground.
树木还能保持水分防止土壤侵蚀。
Trees keep moisture in the ground by holding the soil in place to protect erosion.
树木固定土壤，防止侵蚀，从而保持地里的水分。
The low resistant erosion ability of ground substance, especially in granite weathering crust and purple rock and its soil are the inner causes of severe soil erosion.
抗侵蚀性较弱的地面组成物质，特别是花岗岩和紫色岩风化壳及其土壤，是造成土壤侵蚀特别严重的内在原因；
The seepage erosion and disintegration produced by the activity of ground water will result in formation of soil cave.
岩溶区地下水或地表水的活动，将对土层产生潜蚀作用及崩解作用，进而形成土洞。
The experiment indicates that wind itself is of weak effect on ground surface erosion, so that the soil crust may not be destroyed even under great wind velocity.
实验表明：净风对土表的风蚀作用微弱，即使在遭到大风吹刮时，土表的结壳仍不易受到破坏。
The distribution and causes of main geological hazards in Shanxiprovince, such as earthquake, soil erosion, ground fissure and ground subsidence arediscussed .
着重讨论了山西省主要的地质灾害-地震、水土流失、地裂缝、地面塌陷的分布和成因。
The underground erosion and disintegration produced by the activity of ground water will result in formation of soil caves.
岩溶区地下水或地表水的活动，将对土层产生潜蚀作用及崩解作用，进而形成土洞。
Experimental study of effects of surge irrigation, PAM, and irrigation with saline ground water on soil water erosion was carried out in Hetao irrigation District, Inner Mongolia.
在内蒙古河套灌区采用波涌灌溉，施用PAM(土壤结构稳定剂)和利用地下咸水灌溉等不同处理进行了玉米地水蚀作用的试验研究。
Either way, it is important to establish good ground cover to avoid the loss of soil through erosion.
无论那种方法都对建立良好的植被，避免土壤因浸蚀而流失是重要的。
To research the properties of pore structure in soil has great practical significance in preventing and curing soil erosion, environment protection, reducing pollution of ground water and so on.
研究土壤表土孔隙结构特征对于我国区域土壤的侵蚀防治、环境保护和减少地下水污染等问题均具有重要意义。
Ground-subsidence, soil-erosion and seawater-intrusion are typical geo-hazards in littoral.
地面沉降、水土流失、海水入侵等是沿海地区典型的地质灾害类型。
Ground-subsidence, soil-erosion and seawater-intrusion are typical geo-hazards in littoral.
地面沉降、水土流失、海水入侵等是沿海地区典型的地质灾害类型。
应用推荐