Two hundred miles east of Ashkhabad, where the soil shelved into ridges of scrub-speckled sand, a harsh wind sprang up.
在阿什哈巴德以东200英里处,土地变成了长有稀松灌木的梯形沙地,狂风即时而起。
Study on soil wind erosion and vegetation efficiency of wind and prevention sand resistance artificial vegetation at sand-land in yongding river in beijing.
北京市永定河沙地土壤风蚀与人工植被防风阻沙效益研究。
In northwest drought and desert area of our country, planting Elaeagnus angustifolia to amend salt alkali of soil and prevent sand blown by wind is an economic and effect measure.
在我国西北地区大面积的干旱、荒漠地区,营造沙枣林进行盐碱土改良和风沙危害的防治是既经济又有效的长远措施。
More vegetation covers make the soil particle finer in sand land, but the perennial herbage decrease the wind erosion less than shrub.
沙生植被的增加会显著增加土壤中细粒物质的含量,但多年生草本对风蚀的减缓作用低于灌木;
In this paper, the importance of artificial forestation in the grassland is tried to be discussed from the change of soil property and the action of wind erosion and sedimentary sand.
本文试图从土壤特性变化和风蚀积沙作用方面探讨草原人工造林的重要性。
In this paper, influence of wind-sand flow on soil wind erosion was discussed using portable wind tunnel to simulate natural wind.
通过在便携式风洞内模拟挟沙气流,研究了风沙流对土壤风蚀的影响。
The main ecological environment problems in the west China are a little rain and arid, serious hazard of wind sand, topography in pieces, vast hilly gully area and intense soil and water erosion.
本文分析了晋陕蒙接壤地区资源开发中的生态环境问题,认为该地区生态环境问题主要有干旱少雨、风沙危害严重;地形破碎、沟壑纵横;水土流失面积大、侵蚀强度大。
The main ecological environment problems in the west China are a little rain and arid, serious hazard of wind sand, topography in pieces, vast hilly gully area and intense soil and water erosion.
本文分析了晋陕蒙接壤地区资源开发中的生态环境问题,认为该地区生态环境问题主要有干旱少雨、风沙危害严重;地形破碎、沟壑纵横;水土流失面积大、侵蚀强度大。
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