semi-arid zone

基本解释

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％。
Water Resources development plays a key role in the ecological environment of inland river basins of arid and semi-arid zone in Northwest China.
水资源的开发利用对我国西北干旱内陆河区的生态环境具有重要的影响，天然植物的生长与种群随地下水位和阵水的变化而演变。
Especially, In arid and semi-arid zone, water resource has become one of pressing critical problem for economic development and ecosystem conservancy.
在干旱半干旱地区，水资源已成为区域社会经济发展和生态建设的“瓶颈”。