后来,他们学会了按季节耕作,适时播种,以及在干旱地区利用每年的洪水来灌溉他们的农田。
Later, they learned to work with the seasons, planting at the right time and, in dry areas, making use of annual floods to irrigate their fields.
地下水通常聚集在河流流域,但在干旱地区,地下水也可能完全保留在干涸河床的表面之下。
Groundwater commonly collects in stream drainages but may remain entirely beneath the surface of dry stream-beds in arid regions.
在干旱地区水分是影响植物生长的限制因子。
Water is the main restricting factor that influences the growth of plants in arid area.
在干旱地区使用甜菜这样的农作物来制作燃料的行为必须抛弃掉。
Using crops like sugarbeet to make biofuels in dry regions must be abandoned.
水荒在干旱地区的威胁日益严重,全球43个国家约7亿人面临水源紧张问题。
Water scarcity had become more of a threat in arid regions, and about 700m people in 43 countries were facing water shortages.
除此之外,在干旱地区,会导致泥浆大量蒸发,因此减少了泥浆体积。
In addition, in arid areas, a considerable amount of evaporation occurs, thus minimizing mud disposal volumes.
在干旱地区土壤中的粘粒矿物组成是影响土壤物理和化学特性的重要因素之一。
Clay mineral compositions are one of important factors that influencing the chemical and physical characteristics of soils in the arid regions.
葡萄通常为木本蔓生植物,藉卷须攀缘,在干旱地区可以长成近乎直立的灌木。
The grape is usually a woody vine, climbing by means of tendrils. In arid regions it may form an almost erect shrub.
在干旱地区,更深入,那么频繁浇水帮助工厂,开发更深刻,更耐旱的根本结构。
In dry areas, deeper and less frequent watering helps plants to develop deeper, more drought tolerant root structures.
由国际农业研究中心和它的合作伙伴在干旱地区所做的研究已经被证明是成功的。
Research by the International Center for Agricultural Research in the Dry Areas and its partners has already proven to be successful.
在干旱地区,湿地则提供了循环用水的方法,减少用水需求,特别是饮用水的需求。
In drought inflicted areas, wetlands provide a method of water reuse, which reduces water demand, especially for potable water.
采用农膜、根宝、生根粉、保水剂在干旱地区对刺槐造林成活率进行了田间对比试验。
Making a field comparative test on forestation living rate of locust in arid area by using plastic film, Genbao, root-growing dust, water-keeping agent.
例如,在干旱地区的葡萄牙和西班牙,高尔夫往往是严重的用水短缺负责在当地的地区。
For example, in the dry regions of Portugal and Spain, golf is often held responsible for serious water shortage in some local areas.
土壤保水剂是一种新型化学农业抗旱材料,在干旱地区农林业生产中具有广泛的应用前景。
Soil water-holding agent is one kind of new chemical drought-resistant materials. They are widely used in the agricultural production and afforestation in arid zone.
这种头巾在干旱地区很常见,他可以提供保护,免受太阳直接暴晒护,同时也可以保护嘴巴和眼睛免受飞尘和飞沙的伤害。
It's commonly found in arid regions to provide protection from direct exposure to the sun, as well to protect the mouth and eyes from blowing dust and sand.
在干旱地区,土壤深层储水可以调节植物用水,但是人工苜蓿从土壤深层吸收大量水分导致土壤干燥化的发生。
In the arid area, the storage water in deep layers of soil can adjust water utilization of plants, but artificial alfalfa can absorb lots of water from deep layers and lead to soil desiccation.
修补漏水以及在贫困的国家更好的灌溉庄稼能帮助减少多达70%的消耗量,在干旱地区种植需水量少的庄稼同样可以减少水的消耗。
Repairing leaks and better irrigation in poor countries could help reduce wastage by up to 70%, as could switching to less thirsty crops in arid regions.
水资源专家表示,有一个比进行大规模水管改造更简单且更为贴近实际的解决方案,该方案关键部分在于各家各户,那就是在干旱地区学着依靠有限的水资源生活。
Therein lies a crucial part of the solution, water experts say, one much simpler and closer to home than a massive plumbing patch: learning to live within the water resources of an arid landscape.
另一方面,在干旱和半干旱地区,湖泊数量少,湖泊之间距离远,减少了相互关联的可能性。
In arid and semiarid regions, on the other hand, the small number of lakes and the great distances between them reduce the possibilities for correlation.
这样的计划是非常必要的,因为在许多干旱地区,我们并不清楚其地下水资源的范围。
Such programs are much needed because in many arid lands there is only a vague idea of the extent of groundwater resources.
在半干旱地区,草地通常是最主要的天然植被,而该地区主要的经济活动是家畜饲养。
The raising of livestock is a major economic activity in semiarid lands, where grasses are generally the dominant type of natural vegetation.
为了粮食和稻草,珍珠谷子是在非洲和亚洲最炎热、最干旱地区种植的谷物。
Pearl millet is a cereal grown for foodgrain and straw in the hottest, driest areas of Africa and Asia.
研究大沙鼠在中国干旱地区的分布。
从土豆中榨取的水分能够取代自来水的供应,在一些干旱地区甚至能为人们提供饮用水。
Water extracted from potatoes could replace supplies from the tap and even provide drinking water in areas suffering from drought.
在1984- 85年饥荒肆虐乌干达东部的卡拉莫贾地区,乌干达与索马里和埃塞俄比亚同属干旱地区气候。
In 1984-85 famine ravaged the Karamoja region of eastern Uganda, which shares the same dryland climate as Somalia and Ethiopia.
在80和90年代的大部分时间,达尔富尔以及西非荒漠(撒哈拉以南半干旱地区)的其他地区发生的环境退化主要是由于当地居民。
For much of the 1980s and '90s, environmental degradation in Darfur and other parts of the Sahel (the semi-arid region just south of the Sahara) was blamed on the inhabitants.
马兰豪州南部是棕榈树最为集中的地方,分布在巴西的半干旱地区东北部和亚马逊雨林交界的地区。
The trees are most heavily concentrated in the south of Maranhão, in the transition zone between Brazil's semiarid northeast and the Amazon rainforest.
马兰豪州南部是棕榈树最为集中的地方,分布在巴西的半干旱地区东北部和亚马逊雨林交界的地区。
The trees are most heavily concentrated in the south of Maranhão, in the transition zone between Brazil's semiarid northeast and the Amazon rainforest.
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