半干旱地区 semi arid area
干旱和半干旱地区 [气候] arid and semi-arid lands
半干旱地区生态系统 Semi-arid land ecosystems
半干旱地区冲击扇 semi-arid fan
半干旱地区冲积扇 hemi-arid fan
干旱半干旱地区 arid and semi-arid region
半干旱地区水资源中心 CAZALAC
半干旱半湿润地区 semi-arid and semi-humid region
半干旱冷凉地区 semiarid cold area
干旱半干旱岩溶地区 Arid-Half Arid karst Region
美国西南部半干旱地区的湖泊水位在上一个冰河时代似乎比现在更高，这一事实曾一度归因于降水增加。
The fact that lake levels in the semiarid southwestern United States appear to have been higher during the last ice age than they are now was at one time attributed to increased precipitation.
另一方面，在干旱和半干旱地区，湖泊数量少，湖泊之间距离远，减少了相互关联的可能性。
In arid and semiarid regions, on the other hand, the small number of lakes and the great distances between them reduce the possibilities for correlation.
在半干旱地区，草地通常是最主要的天然植被，而该地区主要的经济活动是家畜饲养。
The raising of livestock is a major economic activity in semiarid lands, where grasses are generally the dominant type of natural vegetation.
应用推荐