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.
我國西北地區是世界上典型的乾旱半乾旱地區之一，佔國土麪積的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.
水資源的開發利用對我國西北乾旱內陸河區的生態環境具有重要的影響，天然植物的生長與種群隨地下水位和陣水的變化而縯變。
Especially, In arid and semi-arid zone, water resource has become one of pressing critical problem for economic development and ecosystem conservancy.
在乾旱半乾旱地區，水資源已成爲區域社會經濟發展和生態建設的“瓶頸”。