Abstract : In dry area or sandy dryland, for the reason of scarce rainfall, windiness and lack of labor power and material resources, the low survivor ratio of afforestation were common.
摘要 : 在干旱或荒漠地区造林,降雨稀少,风多且风大,加之人力、物力的贫乏等原因,导致造林成活率低。
单词 | Dryland |
释义 |
Dryland
英语例句库
Abstract : In dry area or sandy dryland, for the reason of scarce rainfall, windiness and lack of labor power and material resources, the low survivor ratio of afforestation were common. 摘要 : 在干旱或荒漠地区造林,降雨稀少,风多且风大,加之人力、物力的贫乏等原因,导致造林成活率低。
原声例句
现代大学英语精读(第2版)第三册 More than 2 billion people live in areas that are characterized as drylands, found especially in Africa and Asia. 超过20亿的人居住在干旱地区,主要分布在亚洲和非洲。 魔鬼经济学 Most of Mongolia's landscape is made up of drylands that are prone to becoming deserts. 蒙古大部分地区都是旱地,很容易变成沙漠。 经济学人 Science and technology The desert locust lives in the belt of drylands that stretches from Mauritania, on the west coast of Africa, to India. 沙漠蝗虫栖息于从非洲西海岸的毛里塔尼亚一直延伸到印度的干旱地带。 VOA Standard 2013年8月合集 The technologies and innovative approaches developed through this program aim to help improve resilience in dryland areas, where sorghum and pearl millet are critical to food security. 该项目开发的技术和革新方法意在帮助提高干旱地区的恢复力,这些地区的高粱和珍珠小米对粮食安全来说至关重要。 传说之境 As the pressure to provide these resources for the world's rapidly expanding population increases, coupled with the growing threats of global climate change, drylands across the world are experiencing more soil erosion than ever. 随着为世界迅速增长的人口提供这些资源的压力增加,加上全球气候变化的威胁日益加大,世界各地的旱地正在经历比以往任何时候都更严重的土壤侵蚀。 传说之境 Especially in the 21st century, the pressure is ever increasing on dryland ecosystems across the world for providing goods such as food, fuel, building materials and water that humans need to survive and economies need to thrive. 特别是在 21 世纪,世界各地的旱地生态系统在提供人类生存和经济发展所需的食物、燃料、建筑材料和水等商品方面所面临的压力越来越大。
英语百科
Drylands(重定向自Dryland)
Drylands are defined by their scarcity of water. They are zones where precipitation is counterbalanced by evaporation from surfaces and transpiration by plants (evapotranspiration). UNEP defines drylands as tropical and temperate areas with an aridity index of less than 0.65. The drylands can be further classified into four sub-types: dry sub-humid lands, semi-arid lands, arid lands, and hyper-arid lands. Some authorities consider Hyper-arid lands as deserts (UNCCD) although a number of the world’s deserts include both hyper arid and arid climate zones. The UNCCD excludes hyper-arid zones from its definition of drylands. |
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