These rivers and river systems are known as "exogenous" because their sources lie outside the arid zone.
这些河流和河川系统被称作“外源河流”，因为它们的源头位于干旱地区之外。
In the same manner as the NH temperature variations, the incidence of warfare in the NH, Europe, Asia, and the arid areas of the NH i.e., the arid zone from Eurasia to North Africa; see si Fig.
就战争的发生率而言，随着北半球气温的变化，欧洲、亚洲和北半球的地区的干旱地区即从欧亚大陆到北非的干旱地带，参见图si Fig。
Conservation of arid zone mangrove ecosystems along the Red Sea (Djibouti, Egypt, Eritrea, Saudi Arabia, Somalia, Sudan, United Arab Emirates and Yemen).
红海沿岸干旱地带红树林生态系统保护(吉布提、埃及、厄立特里亚、沙特阿拉伯、索马里、苏丹、阿拉伯联合酋长国和也门)。
Water in an arid conflict zone is like any other disputed resource, a prize to be controlled if possible-and, if not, destroyed.
干旱冲突地区的水有如其它竞相争夺的资源，如果可能，一切皆有可能——否则，一切尽毁。
The landscape ecological construction in continental river basin in arid zone.
干旱区内陆河流域景观生态建设。
The carrying capacity of water resources in key areas of the inland arid zone in Northwest China was quantitatively estimated based on the analysis of productivity of water resources.
在西北内陆干旱区水资源生产能力分析的基础上，定量地给出了该区域重点地区的水资源承载力。
The dynamic study and simulation methods on various scales based on the theory have been applied in arid zone.
根据这一理论提出的各种尺度上的动态研究和模拟方法在干旱区得到了应用。
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。
The desert steppe zone in the arid land of northern Inner Mongolia plateau is confronted with serious desertification.
位居干旱气候区的内蒙古高原中北部的荒漠草原地带，面临着严重荒漠化的威胁。
Internet is a kind of valuable resources for researchers to access the information in the field of arid zone research.
因特网是获取干旱区研究学术信息的极有价值的来源。
Arid Zone Geomorphology: Process, Form and Change in Drylands, Third Edition.
干旱区地貌：旱地过程，形式和变化，第三版。
The technique of rainwater harvesting, storage and utilization is the one of important methods to solve water resources shortage in the arid and semiarid zone.
雨水集蓄利用技术是解决干旱半干旱地区水资源紧缺的重要方式之一，人工集流场的建设在雨水集蓄利用技术中占据重要的地位。
The Mannesmann barrel-shaped rolls can be designed arid processed easily, but it makes the non-linear deformation zone in skew-rolling and leads to the inhomogeneous wall thickness.
曼乃斯曼桶形轧辊设计简单，加工方便，但形成非线性的斜轧变形区，导致壁厚不均。
Northwest of China, whose area accounts for 38 percent of the total, is one of the typical arid and semi-arid zone in the world.
我国西北地区是世界上典型的干旱半干旱地区之一，占国土面积的38%。
Due to the fragile eco-environment, natural disasters are frequent in west arid zone in China.
我国西部干旱区生态环境脆弱，自然灾害频繁。
Because of the special nature of their environment, Oasis system is more vulnerable than general arid zone ecosystems.
由于其所处环境的特殊性，绿洲系统比一般的干旱区生态系统更为脆弱。
The landscape changes are remarkable in the sub-arid temperate zone, the important value of the landscape patches which has been changed is 11.6%.
温带亚干旱区景观变化显著，五年间发生变化的景观斑块重要值为11.6％。
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.
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。
Shabianzi Research Base For Desertified Land Management is situated in semi-arid, mixed farming and grazing zone southwest of Mu Us Sandy Land.
宁夏盐池县沙边子沙漠化土地整治研究基地位于毛乌素沙地西南部半干旱农牧交错区。
The western area of 1oss plateau of China, including the area of GansuProvince, Ninxia Hui Autonomous region and Haidon district of QinghaiProvince, lies in the arid and semi-arid climatic zone.
我国黄土高原西部地区，包括甘肃、宁夏和青海的海东地区，位于干旱和半干旱的气候类型地带。
Drought can happen at any time on any climate zone. Arid and semiarid regions are where drought occurs the most often.
干旱可以发生在任何气候带上，但干旱、半干旱地区是全球干旱灾害发生最频繁的地区。
Drought can happen at any time on any climate zone. Arid and semiarid regions are where drought occurs the most often.
干旱可以发生在任何气候带上，但干旱、半干旱地区是全球干旱灾害发生最频繁的地区。
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