With a view to the arid-wet index constructed by precipitation and evaporation synthetically, it may be objective to reflect the climate arid-wet evolution characteristics in northwestern area.
重点考虑降水和蒸发因素所构造的干湿指数可以更加客观地反映西北气候干湿演变特征。
Because of the present arid climate, few people have ever seen the Tsauchab River with flowing water or a lake in Sossus Vlei.
由于现在气候干旱，几乎没有人看到过乔彻伯河下过雨，也没有人看到索瑟斯湖盆形成过真正的湖泊。
Within my heart, the climate seemed as parched of rain as this leaden sky, for a long time not a single tear of tenderness had fallen from my arid eyes.
我心甘情愿里的气候也和这北方大陆一样缺少寸量，一滴温柔的泪在我枯涩眼里，如迟疑在这阴觉的天空里的雨点，久不落下。
Thanks to the semi-arid climate, the trail is scattered with well-preserved remnants of the Klondikers' passage: leather boots, bottles, tin cans, stoves and sledge runners.
由于这里气候干燥，小道上散落着的采金热时代的遗物保存完好：有皮靴，酒瓶，罐头，炉灶和雪橇等。
Maintaining a regular income is a constant battle as the climate in this semi-arid country is prone to severe, freezing winters and extremely dry summers.
蒙古位于半干旱地区，其气候易受严寒天气和极其干旱夏季天气的影响，正因为如此，牧民们总是要想方设法地维持稳定收入。
A farmer treks through arid farm fields in Yunnan amid a devastating drought that raised unease about food prices, climate change and cross-border water management.
图中为云南，一农民艰苦跋涉于受旱灾的农田间。严重的旱情导致对农作物物价上涨、气候变化和跨界用水管理的不安。
A farmer treks through arid farm fields in Yunnan amid a devastating drought that raised unease about food prices climate change and cross-border water management.
图中为云南，一农民艰苦跋涉于受旱灾的农田间。严重的旱情导致对农作物物价上涨、气候变化和跨界用水管理的担忧。
Climate change, it says, will make food even scarcer in semi-arid countries such as Sudan.
该机构表示，气候变化让半干旱国家(如苏丹)的粮食更为稀缺。
The region is semiarid to arid in overall climate .
这个地区总体上是半干旱至干旱气候。
The region is semiarid to arid in overall climate.
这个地区总体上是半干旱至干旱气候。
"Some 65 per cent of Iran has an arid or hyper arid climate, and approximately 85 per cent of the country an arid, semi-arid or hyper arid environment," said the architects.
“伊朗约百分之65的面积为干旱或超干旱的气候，国家约有百分之85的地区为干旱、半干旱或超干旱的环境”，建筑师说。
Pengyang County is the model the temperate zone half arid continental monsoon climate, the precipitation is small, the transpiration rate is big.
彭阳县属典型的温带半干旱大陆性季风气候，降水量小，蒸发量大，水资源量少质差，区域分布不均匀。
Semi arid climate, poor vegetation cover and highly erodible loess can be regarded as the main natural factors responsible for the formation of hyperconcentrated flows in the Loess Plateau, China.
黄土高原半干旱的气候条件、稀疏的植被和疏松易蚀的黄土物质，是该地区高含沙水流形成的自然地理因素。
The result shows the deposition environment of the area is a continental lake deposition environment in partly damp and partly arid lower than cold geologic climate of temperature condition.
结果表明，沙三时期该区的沉积环境为半潮湿、半干旱较温凉的古气候条件下的陆相湖泊沉积环境。
Based on briefly describing the natural conditions, such as arid climate, poor precipitation, rare vegetation, broken topography, serious soil erosion, etc.
本文在简述黄土高原气候干旱、降水稀少、地面破碎、植被缺乏、水土流失严重等自然条件的基础上。
Due to the extremely arid climate and high salt context in soil and underground water, the vegetation is very sparse and only 12 species of plants were found in the center of Tarim basin.
塔克拉玛干沙漠公路沿线气候恶劣、土壤和浅层地下水的含盐量高，沿线天然植被稀少，沙漠腹地仅发现12种能忍耐干旱和抗盐的植物种。
A climate with high temperature and arid condition is highly favourable for salt weathering.
高温和干旱相结合的气候最有利于盐风化过程。
On paleoclimate evolution, the uranium metallization occur during arid climate condition or transition from humid to arid.
在古气候演变上，成矿作用发生在干旱气候条件下，或由潮湿向干旱的气候转变阶段。
The extremely arid desert climate is the best preserver of murals.
极端干燥的沙漠气候是壁画的最好保存者。
In Tarim river basin, the climate is extremely arid and the ecologic environment is fragile.
塔里木盆地气候极端干旱，生态环境脆弱。
The aboveground biomass and cover on the above two years have the opposite trend occurred, it may be related to extremely arid climate in the summer of 2009.
两个观测年份的地上生物量和盖度结果出现了相反的趋势，可能与2009年夏季极度干旱的气候有关。
The arid climate of the plateau creates the magnificent but ruthless waterfront landscape along the Yarlung Zangbo River, which is characterized by stones and sand after long-time weathering.
高原的干旱气候，造就了气势磅礴而个性冷酷的雅鲁藏布江岸景观。这种景观的表征物是长期风化后的石头和沙土。
The salinity of lake water is a sensitive monitor of climate in arid and semiarid region.
在干旱半干旱地区，封闭湖泊的湖水盐度对气候变化反应敏感。
EPN resources were relatively rich for the arid climate in Gansu Province.
对于气候干旱的甘肃省来说，昆虫病原线虫资源比较丰富。
The area has favourable regional metallogenic setting for sandstone uranium deposit. i. e uranium-rich basement, with arid to semiarid climate and desert to semiarid morphologic .
该区从区域上具有富铀基底、干旱—半干旱、沙漠—半沙漠的现代气候与地貌条件。
Surrounded by a desert, Dunhuang has an extremely arid climate and a very fragile ecosystem.
由于地处沙漠中央，敦皇的气候极其干旱，生态系统也非常脆弱。
Surrounded by a desert, Dunhuang has an extremely arid climate and a very fragile ecosystem.
由于地处沙漠中央，敦皇的气候极其干旱，生态系统也非常脆弱。
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