1·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。
2·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。
3·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。
4·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。
5·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。
6·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。
7·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。
8·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%。
9·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)。
10·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。